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In the wild, danger doesn't always come
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with claws, [music] fangs, or thunderous
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roars.
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[music] Sometimes the greatest threats
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hide inside the smallest creatures,
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silent, delicate, and almost impossible
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to notice.
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A single touch, a careless step, or a
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moment of curiosity can reveal one of
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evolution's most powerful weapons,
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venom.
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Across forests, deserts, and oceans,
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countless animals carry toxins capable
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[music] of paralyzing muscles,
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destroying tissue, or shutting down the
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human body.
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Some are legendary [music]
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predators feared for centuries.
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Others are so small and hidden that most
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people never realize they exist.
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Today we're going to explore some of the
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most venomous animals on Earth,
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discovering these incredible creatures
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and the environments where they live. So
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before we begin, make sure to leave a
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like on the video and subscribe to the
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channel if you're not already part of
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the journey. And now [music]
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let's step together into a world of
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fascination and danger.
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In forests and wooded areas across the
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southern [music] United States, Mexico,
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and parts of Central America, a small
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furry creature rests quietly [music]
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on leaves and tree branches. At first
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glance, it looks harmless, almost like a
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tiny tuft of cotton sitting on the
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vegetation.
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This is the puss caterpillar, the laral
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stage of [music] the flannel moth. And
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despite its soft appearance, it hides
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one of the most surprising defenses
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found in the insect world.
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Beneath that layer of silky hair lies an
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array of venomous [music] spines. Hidden
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under the soft fur are tiny hollow
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structures capable of delivering venom
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at the slightest touch. When pressure is
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applied, [music] these spines break and
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release toxins into the skin, causing an
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immediate and intense burning sensation
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designed to [music] drive predators
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away.
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In its daily life, the puss caterpillar
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moves slowly through leaves and
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branches, [music]
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feeding quietly on plant matter. Its
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fluffy appearance is not [music] just
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coincidence. It serves as a deceptive
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form of protection. What looks soft
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[music] and harmless can easily attract
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curiosity. And for an unsuspecting
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animal, that [music] curiosity can
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quickly turn into a painful lesson.
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In parts of southern [music] Mexico,
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where this species can also be found,
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nature reveals landscapes [music] of
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breathtaking beauty. In the state of
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Chiapas, the famous Elchifilon
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waterfalls cascade [music] through the
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forest, forming a series of brilliant
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turquoise pools and towering [music]
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streams of water that plunge through
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lush tropical vegetation.
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Surrounded by dense [music] greenery and
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mist rising from the falls, this small
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[music] caterpillar quietly lives its
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life among the leaves of the forest.
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For humans, [music]
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touching a puss caterpillar can be an
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extremely painful experience. [music]
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The sting can cause intense burning,
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swelling, nausea, headaches, and in some
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cases, [music] more serious reactions
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that require medical attention. Yet, the
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caterpillar does [music] not attack or
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pursue anyone. Its venom exists purely
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as a defense, a reminder that in nature,
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[music] even the softest looking
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creatures can hide an unexpected and
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powerful protection.
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[music]
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Deep within the dense rainforests of
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South America, hidden beneath fallen
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leaves, [music] rotting logs, and the
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damp soil of the jungle floor, lives a
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predator that many people never [music]
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see coming.
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The Amazonian [music] giant centipede is
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one of the largest centipedes on Earth.
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A fast and [music] powerful hunter,
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perfectly adapted to life in the shadows
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of the rainforest.
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Its venom is delivered through modified
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front legs [music] called foripules,
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sharp claw-like appendages [music]
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capable of injecting toxins directly
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into its prey. The venom contains a
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complex mix of compounds designed to
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immobilize small animals quickly,
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[music] allowing the centipede to
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overpower insects, rodents, amphibians,
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and [music] even small reptiles.
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Unlike many venomous animals that rely
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on camouflage and patience, [music]
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this centipede is an active hunter. It
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moves quickly across the forest [music]
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floor, using its sensitive antenna to
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detect vibrations and movement around
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it. In [music] the darkness beneath the
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canopy, it becomes a relentless predator
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capable of striking with surprising
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[music]
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speed.
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In the heart of the Amazon region,
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nature reveals one of the most
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fascinating natural spectacles [music]
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on Earth. Near the Brazilian city of
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Manouse occurs the famous meeting of the
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waters where the dark Rioenegro [music]
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and the sandy colored Rio Solyo flow
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side by side for several [music] kilome
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without mixing before eventually forming
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the mighty Amazon [music] River.
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Within this vast and vibrant rainforest
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ecosystem, the giant centipede moves
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silently across the jungle [music]
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floor.
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For humans, [music] encounters with this
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creature are rare but memorable. A bite
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[music] can cause intense pain,
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swelling, and inflammation, sometimes
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accompanied [music] by fever or nausea.
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Despite its intimidating appearance, the
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Amazonian giant centipede does not seek
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confrontation. Its venom exists to
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subdue [music] prey and defend itself in
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one of the most competitive ecosystems
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on the planet.
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Along [music] sandy seabeds in tropical
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and subtropical oceans, a strange
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predator lies almost completely buried
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[music] beneath the ocean floor.
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Only its eyes and mouth remain visible
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above the sand, patiently waiting for
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the perfect moment [music] to strike.
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This is the stargazer fish. A creature
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whose unusual appearance and hidden
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[music] abilities make it one of the
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most surprising predators of the
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underwater world.
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Unlike [music] most fish that rely on
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speed or sharp teeth alone, the
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stargazer [music] possesses a unique
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defensive system.
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Hidden behind its gills are venomous
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spines [music] capable of delivering a
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painful sting when the animal is
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disturbed. These spines [music] act as a
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powerful defense mechanism against
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predators that might attempt to attack
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or swallow the fish.
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In its [music] daily life, the stargazer
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is a master of ambush. It buries itself
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beneath the sand [music] with remarkable
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precision, leaving only its
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upward-facing eyes exposed. When an
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unsuspecting fish swims overhead,
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[music]
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the stargazer launches upward in a
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sudden burst, capturing its prey in a
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split second
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in parts of the tropical Atlantic.
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>> [music]
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>> where some stargazer species live. The
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ocean hides [music] one of the most
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famous marine ecosystems on the planet.
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The Mesoamerican barrier reef stretching
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[music] along the coasts of Mexico, Biz,
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Guatemala, and Honduras forms the second
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largest coral reef system in the world.
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Beneath these vibrant [music] reefs and
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sandy seafloors, strange predators like
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the stargazer quietly wait beneath the
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sand.
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For humans, [music] encounters with this
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fish are uncommon, but can happen when
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fishermen or divers accidentally [music]
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handle one. The venomous spines can
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cause intense pain, swelling, and
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discomfort if touched. Yet, the
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stargazer is not an aggressive [music]
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animal. It simply defends itself when
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disturbed. Another reminder that even
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the most hidden [music] creatures of the
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ocean carry remarkable adaptations for
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survival.
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Across the deserts of the southwestern
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[music] United States and northern
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Mexico, a small but highly adapted
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predator emerges after sunset.
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The Arizona bark scorpion [music] spends
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the hottest hours of the day hidden
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beneath rocks, inside tree [music] bark,
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or in narrow crevices where the desert
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sun cannot reach. But when [music] night
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falls and the temperature cools, it
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begins its quiet hunt across the desert
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[music]
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landscape.
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This species carries [music] a powerful
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neurotoxic venom delivered through the
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curved stinger at the end of its tail.
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The toxin [music] affects the nervous
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system of its prey, quickly overwhelming
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insects and other small arropods.
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For the scorpion, this venom is an
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essential tool that allows it to survive
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in an environment where food can be
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scarce.
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In its nightly [music] routine, the
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Arizona bark scorpion moves carefully
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across [music] rocks, sand, and desert
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vegetation.
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>> [music]
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>> Unlike many scorpions, it is also
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capable of climbing vertical surfaces
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such as tree bark, walls, and rocky
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formations. Its sensitive hairs detect
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vibrations in [music] the ground and
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air, allowing it to sense the movement
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of prey in the darkness.
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In the same desert regions where this
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[music] scorpion lives, one of the most
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breathtaking natural landmarks in
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[music] North America cuts through the
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arid landscape. The Grand [music]
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Canyon, carved by the Colorado River
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over millions of years, reveals [music]
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immense cliffs, layered rock walls, and
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one of the most extraordinary geological
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wonders on Earth.
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Among these vast [music] desert
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expanses, rocky shadows, and silent
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crevices, the Arizona bark scorpion
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continues its hidden life after [music]
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sunset.
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>> [music]
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>> For humans, this scorpion [music] is
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considered one of the most venomous
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species in North America.
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A sting can cause intense pain,
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numbness, muscle spasms, and severe
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discomfort, especially in children or
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sensitive individuals. Even so, [music]
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the scorpion does not attack without
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reason. It simply defends itself when
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[music] threatened. Another example of
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how even the smallest desert creatures
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possess powerful survival tools.
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>> [music]
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>> Across the deserts of the southwestern
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[music] United States and northern
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Mexico, a heavy-bodied lizard moves
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00:18:26,240 --> 00:18:32,400
slowly between rocks, cactus shadows,
276
00:18:29,360 --> 00:18:34,480
and dry desert soil.
277
00:18:32,400 --> 00:18:36,559
The Gila monster is one of the few
278
00:18:34,480 --> 00:18:38,960
venomous [music] lizards in the world.
279
00:18:36,559 --> 00:18:41,200
Instantly recognizable by its striking
280
00:18:38,960 --> 00:18:46,760
black and orange patterns that look
281
00:18:41,200 --> 00:18:46,760
almost like beads embedded in its skin.
282
00:18:59,520 --> 00:19:04,559
Its venom is [music] produced in glands
283
00:19:01,919 --> 00:19:06,960
located in the lower jaw and delivered
284
00:19:04,559 --> 00:19:09,360
through grooved teeth when the animal
285
00:19:06,960 --> 00:19:12,000
bites. Unlike many venomous [music]
286
00:19:09,360 --> 00:19:14,960
snakes that inject venom quickly and
287
00:19:12,000 --> 00:19:17,840
release, the gila monster often holds
288
00:19:14,960 --> 00:19:21,039
on, allowing the [music] toxin to flow
289
00:19:17,840 --> 00:19:23,948
into the wound. The venom can cause
290
00:19:21,039 --> 00:19:26,559
intense pain, swelling, and strong
291
00:19:23,948 --> 00:19:30,600
[music] physiological reactions designed
292
00:19:26,559 --> 00:19:30,600
to discourage predators.
293
00:19:37,048 --> 00:19:39,068
[music]
294
00:19:44,400 --> 00:19:49,840
Despite its intimidating reputation, the
295
00:19:47,360 --> 00:19:51,520
Gila monster is actually a slowmoving
296
00:19:49,840 --> 00:19:54,000
and mostly secretive [music]
297
00:19:51,520 --> 00:19:56,080
animal. It spends much of its life
298
00:19:54,000 --> 00:19:58,720
hidden in underground burrows [music] or
299
00:19:56,080 --> 00:20:02,000
beneath rocks to escape the extreme
300
00:19:58,720 --> 00:20:05,679
desert heat. It feeds [music] on eggs,
301
00:20:02,000 --> 00:20:08,080
small mammals, birds, and reptiles,
302
00:20:05,679 --> 00:20:11,108
using [music] a powerful sense of smell
303
00:20:08,080 --> 00:20:14,120
to locate food in the harsh desert
304
00:20:11,108 --> 00:20:14,120
[music] environment.
305
00:20:15,200 --> 00:20:19,760
In the regions where this reptile
306
00:20:17,003 --> 00:20:21,520
[music] lives, the desert landscape
307
00:20:19,760 --> 00:20:25,200
reveals one of the most iconic
308
00:20:21,520 --> 00:20:26,080
ecosystems of North America. The Sonoran
309
00:20:25,200 --> 00:20:28,400
Desert [music]
310
00:20:26,080 --> 00:20:31,440
stretching across parts of Arizona and
311
00:20:28,400 --> 00:20:34,880
Mexico is famous for its towering
312
00:20:31,440 --> 00:20:37,679
saguaro cacti that can reach heights of
313
00:20:34,880 --> 00:20:39,039
over 40 ft. Among these giant
314
00:20:37,679 --> 00:20:41,520
silhouettes rising [music] from the
315
00:20:39,039 --> 00:20:44,159
desert floor, the Gila monster quietly
316
00:20:41,520 --> 00:20:47,189
moves between rocks and sand beneath the
317
00:20:44,159 --> 00:20:47,189
scorching sun. [music]
318
00:20:51,064 --> 00:20:53,084
>> [music]
319
00:21:02,799 --> 00:21:08,640
>> For humans, encounters with this lizard
320
00:21:05,760 --> 00:21:10,000
are extremely rare. A bite can be
321
00:21:08,640 --> 00:21:12,080
painful [music] and medically
322
00:21:10,000 --> 00:21:15,200
significant, but the animal is not
323
00:21:12,080 --> 00:21:17,600
aggressive and usually tries to retreat
324
00:21:15,200 --> 00:21:20,799
when approached. Like [music] many
325
00:21:17,600 --> 00:21:23,919
venomous creatures in nature, the Gila
326
00:21:20,799 --> 00:21:26,799
monster uses its venom primarily as a
327
00:21:23,919 --> 00:21:29,360
defense. Another reminder that even the
328
00:21:26,799 --> 00:21:34,200
quiet deserts hold remarkable [music]
329
00:21:29,360 --> 00:21:34,200
and powerful forms of life.
330
00:21:40,844 --> 00:21:42,864
[music]
331
00:21:46,880 --> 00:21:53,200
In quiet corners of houses, storage
332
00:21:50,080 --> 00:21:55,360
rooms, barns, and undisturbed spaces
333
00:21:53,200 --> 00:21:58,240
across parts of the United States and
334
00:21:55,360 --> 00:22:01,120
the Americas, a small spider lives
335
00:21:58,240 --> 00:22:04,799
mostly unnoticed.
336
00:22:01,120 --> 00:22:07,679
The brown recluse is a shy and reclusive
337
00:22:04,799 --> 00:22:10,320
arachnid that prefers dark sheltered
338
00:22:07,679 --> 00:22:13,520
places where it can remain hidden during
339
00:22:10,320 --> 00:22:15,919
the day. Its light brown color and long
340
00:22:13,520 --> 00:22:18,400
slender legs help it blend easily into
341
00:22:15,919 --> 00:22:22,840
its surroundings, which is why many
342
00:22:18,400 --> 00:22:22,840
people never realize it is nearby.
343
00:22:28,320 --> 00:22:32,159
The venom of the brown [music] recluse
344
00:22:30,240 --> 00:22:35,120
is well known for its necrotic
345
00:22:32,159 --> 00:22:37,760
properties. When a bite occurs, the
346
00:22:35,120 --> 00:22:40,559
toxin can damage [music] skin cells and
347
00:22:37,760 --> 00:22:43,919
surrounding tissue, sometimes leading to
348
00:22:40,559 --> 00:22:46,480
lesions that develop slowly over time.
349
00:22:43,919 --> 00:22:48,880
The venom interferes with cell membranes
350
00:22:46,480 --> 00:22:51,120
and triggers inflammation,
351
00:22:48,880 --> 00:22:53,360
making this spider one of the few in the
352
00:22:51,120 --> 00:22:56,840
world capable of causing significant
353
00:22:53,360 --> 00:22:56,840
skin necrosis.
354
00:23:01,679 --> 00:23:07,919
In its natural behavior, the brown
355
00:23:04,320 --> 00:23:10,400
recluse avoids confrontation whenever
356
00:23:07,919 --> 00:23:13,760
possible. It spends most of its life
357
00:23:10,400 --> 00:23:16,880
hidden inside cracks, behind furniture,
358
00:23:13,760 --> 00:23:19,440
under stored boxes, or inside clothing
359
00:23:16,880 --> 00:23:21,919
that has [music] been left undisturbed.
360
00:23:19,440 --> 00:23:23,760
It feeds mainly on insects and other
361
00:23:21,919 --> 00:23:26,000
small arropods, [music]
362
00:23:23,760 --> 00:23:29,480
quietly playing its role in controlling
363
00:23:26,000 --> 00:23:29,480
pest populations.
364
00:23:34,640 --> 00:23:40,400
For humans, most encounters with this
365
00:23:37,280 --> 00:23:42,640
spider happen accidentally. A bite may
366
00:23:40,400 --> 00:23:46,640
occur when someone puts on clothing or
367
00:23:42,640 --> 00:23:49,039
shoes where the spider was hiding.
368
00:23:46,640 --> 00:23:51,840
In many cases, the bite goes unnoticed
369
00:23:49,039 --> 00:23:52,400
at first, but hours later, pain,
370
00:23:51,840 --> 00:23:56,880
redness, [music]
371
00:23:52,400 --> 00:24:00,400
and tissue damage can begin to develop.
372
00:23:56,880 --> 00:24:01,919
Even so, the brown recluse does not seek
373
00:24:00,400 --> 00:24:03,919
confrontation.
374
00:24:01,919 --> 00:24:07,880
It simply reacts [music] when it feels
375
00:24:03,919 --> 00:24:07,880
trapped or threatened.
376
00:24:35,840 --> 00:24:41,200
Across deserts, [music] grasslands, and
377
00:24:38,640 --> 00:24:43,679
rocky landscapes of North and South
378
00:24:41,200 --> 00:24:46,320
America, a snake known for its
379
00:24:43,679 --> 00:24:49,039
unmistakable warning, sound moves
380
00:24:46,320 --> 00:24:51,279
quietly [music] through the wild. The
381
00:24:49,039 --> 00:24:53,360
rattlesnake is one of the most
382
00:24:51,279 --> 00:24:56,080
recognizable venomous snakes [music] in
383
00:24:53,360 --> 00:24:59,120
the world. Famous for the rattle at the
384
00:24:56,080 --> 00:25:02,000
end of its tail, a natural alarm system
385
00:24:59,120 --> 00:25:05,480
that warns intruders before a strike
386
00:25:02,000 --> 00:25:05,480
ever happens.
387
00:25:12,000 --> 00:25:17,840
Its venom is a complex mixture of
388
00:25:14,559 --> 00:25:20,720
powerful toxins. In many species, the
389
00:25:17,840 --> 00:25:22,640
venom is primarily hemotoxic,
390
00:25:20,720 --> 00:25:25,360
meaning it damages tissues and
391
00:25:22,640 --> 00:25:28,000
interferes with blood clotting. When the
392
00:25:25,360 --> 00:25:30,320
snake strikes, it delivers venom through
393
00:25:28,000 --> 00:25:32,880
long, hollow fangs designed to
394
00:25:30,320 --> 00:25:35,880
immobilize prey [music] quickly and
395
00:25:32,880 --> 00:25:35,880
efficiently.
396
00:25:39,922 --> 00:25:41,942
>> [music]
397
00:25:58,559 --> 00:26:02,559
>> In its [music] daily behavior, the
398
00:26:00,320 --> 00:26:04,880
rattlesnake is a patient ambush
399
00:26:02,559 --> 00:26:07,440
predator. It relies [music] heavily on
400
00:26:04,880 --> 00:26:11,279
camouflage, blending almost perfectly
401
00:26:07,440 --> 00:26:14,080
with rocks, sand, and dry vegetation.
402
00:26:11,279 --> 00:26:16,799
Special heat sensing pits located
403
00:26:14,080 --> 00:26:18,799
between the eyes and nostrils allow it
404
00:26:16,799 --> 00:26:23,240
to detect the body heat of nearby
405
00:26:18,799 --> 00:26:23,240
animals, even in darkness.
406
00:26:34,000 --> 00:26:38,320
In [music] parts of the American
407
00:26:35,440 --> 00:26:40,240
Southwest where rattlesnakes live,
408
00:26:38,320 --> 00:26:42,480
nature [music] reveals one of the most
409
00:26:40,240 --> 00:26:44,000
iconic desert landscapes in North
410
00:26:42,480 --> 00:26:46,320
America.
411
00:26:44,000 --> 00:26:49,440
Monument Valley, located along [music]
412
00:26:46,320 --> 00:26:51,840
the border of Arizona and Utah, is
413
00:26:49,440 --> 00:26:54,480
famous for its towering sandstone
414
00:26:51,840 --> 00:26:57,520
beautes rising [music] dramatically from
415
00:26:54,480 --> 00:27:00,488
the desert floor. Shaped by millions of
416
00:26:57,520 --> 00:27:03,120
years of wind and erosion, these massive
417
00:27:00,488 --> 00:27:05,360
[music] rock formations stand like
418
00:27:03,120 --> 00:27:08,840
ancient monuments beneath the [music]
419
00:27:05,360 --> 00:27:08,840
open sky.
420
00:27:10,968 --> 00:27:12,988
[music]
421
00:27:21,279 --> 00:27:25,440
For humans, [music] the sound of the
422
00:27:23,200 --> 00:27:28,000
rattle is often the first and most
423
00:27:25,440 --> 00:27:30,880
important warning. It gives anyone
424
00:27:28,000 --> 00:27:32,720
nearby a chance to step back before the
425
00:27:30,880 --> 00:27:37,039
snake feels [music] forced to defend
426
00:27:32,720 --> 00:27:39,679
itself. A bite can cause severe pain,
427
00:27:37,039 --> 00:27:43,039
swelling, [music] and tissue damage if
428
00:27:39,679 --> 00:27:44,240
untreated. Yet, the rattlesnake rarely
429
00:27:43,039 --> 00:27:47,840
attacks without [music]
430
00:27:44,240 --> 00:27:53,799
reason. Its famous rattle exists
431
00:27:47,840 --> 00:27:53,799
precisely to avoid unnecessary conflict.
432
00:27:55,509 --> 00:27:57,529
[music]
433
00:28:02,720 --> 00:28:05,720
Yeah,
434
00:28:09,120 --> 00:28:12,120
hey,
435
00:28:26,240 --> 00:28:31,279
Deep within the tropical forests of
436
00:28:28,159 --> 00:28:34,640
South America, a small caterpillar rests
437
00:28:31,279 --> 00:28:35,919
quietly along the bark of trees. At
438
00:28:34,640 --> 00:28:38,320
first [music] glance, it appears
439
00:28:35,919 --> 00:28:41,039
harmless, blending perfectly with the
440
00:28:38,320 --> 00:28:43,760
texture of the trunk where it hides.
441
00:28:41,039 --> 00:28:45,919
This is the Lenomia caterpillar, one of
442
00:28:43,760 --> 00:28:49,440
the most dangerous caterpillars in the
443
00:28:45,919 --> 00:28:54,600
world, despite its small size and almost
444
00:28:49,440 --> 00:28:54,600
invisible presence in the forest.
445
00:29:07,440 --> 00:29:12,399
The danger of this creature lies in the
446
00:29:10,080 --> 00:29:15,520
fine [music] venomous spines that cover
447
00:29:12,399 --> 00:29:18,320
its body. When touched, [music] these
448
00:29:15,520 --> 00:29:19,760
spines release a powerful toxin capable
449
00:29:18,320 --> 00:29:21,919
of interfering with the [music] human
450
00:29:19,760 --> 00:29:23,679
body's ability to control blood
451
00:29:21,919 --> 00:29:26,159
clotting.
452
00:29:23,679 --> 00:29:28,080
Unlike many venoms that cause immediate
453
00:29:26,159 --> 00:29:30,880
paralysis [music] or intense burning
454
00:29:28,080 --> 00:29:33,105
pain, the venom of lenomia acts in a
455
00:29:30,880 --> 00:29:35,125
different and far more insidious way.
456
00:29:33,105 --> 00:29:35,125
[music]
457
00:29:43,520 --> 00:29:48,799
In its natural behavior, the lenomia
458
00:29:46,399 --> 00:29:50,640
caterpillar often remains in groups
459
00:29:48,799 --> 00:29:53,200
along [music] tree trunks during the
460
00:29:50,640 --> 00:29:56,000
day. Their camouflage makes them look
461
00:29:53,200 --> 00:29:57,919
like part of the bark itself, allowing
462
00:29:56,000 --> 00:30:00,960
them [music] to remain almost invisible
463
00:29:57,919 --> 00:30:03,679
to predators. They move slowly across
464
00:30:00,960 --> 00:30:05,039
leaves at night, feeding quietly on
465
00:30:03,679 --> 00:30:08,039
vegetation in the [music] dense
466
00:30:05,039 --> 00:30:08,039
rainforest.
467
00:30:21,360 --> 00:30:26,640
In regions where this species lives, the
468
00:30:24,640 --> 00:30:29,520
landscape reveals one of the most
469
00:30:26,640 --> 00:30:32,880
spectacular natural landmarks [music] in
470
00:30:29,520 --> 00:30:35,279
South America. The magnificent Iguasu
471
00:30:32,880 --> 00:30:38,320
Falls located along the border between
472
00:30:35,279 --> 00:30:41,840
Brazil and Argentina form a massive
473
00:30:38,320 --> 00:30:45,039
system of waterfalls surrounded by lush
474
00:30:41,840 --> 00:30:47,279
subtropical forest. Amid the constant
475
00:30:45,039 --> 00:30:50,080
mist rising from [music] the powerful
476
00:30:47,279 --> 00:30:52,399
cascades and the vibrant life of the
477
00:30:50,080 --> 00:30:54,799
surrounding jungle, the Lenomia
478
00:30:52,399 --> 00:30:58,360
caterpillar [music] quietly survives
479
00:30:54,799 --> 00:30:58,360
among the trees.
480
00:31:13,919 --> 00:31:17,360
For humans, [music]
481
00:31:15,279 --> 00:31:19,840
accidental contact with this caterpillar
482
00:31:17,360 --> 00:31:22,240
can be extremely dangerous. The venom
483
00:31:19,840 --> 00:31:24,559
may cause severe bleeding disorders,
484
00:31:22,240 --> 00:31:28,000
internal hemorrhaging, and serious
485
00:31:24,559 --> 00:31:31,200
medical complications if untreated. Yet
486
00:31:28,000 --> 00:31:34,240
the Lenomia does not attack or pursue
487
00:31:31,200 --> 00:31:36,880
anyone. Like many venomous animals, its
488
00:31:34,240 --> 00:31:41,320
toxin [music] exists only as a defense
489
00:31:36,880 --> 00:31:41,320
against those who might threaten it.
490
00:31:46,726 --> 00:31:49,401
[music]
491
00:31:47,381 --> 00:31:49,401
[bell]
492
00:32:04,960 --> 00:32:11,200
In the dense tropical forests of Central
493
00:32:07,600 --> 00:32:13,919
and South America, a powerful snake
494
00:32:11,200 --> 00:32:17,039
moves silently through layers of fallen
495
00:32:13,919 --> 00:32:19,760
leaves and tangled vegetation
496
00:32:17,039 --> 00:32:21,440
known as the fair dilance and commonly
497
00:32:19,760 --> 00:32:23,600
called jaraka [music]
498
00:32:21,440 --> 00:32:25,519
in parts of South America.
499
00:32:23,600 --> 00:32:28,559
This snake is considered one of the most
500
00:32:25,519 --> 00:32:30,799
dangerous vipers in the Americas. Its
501
00:32:28,559 --> 00:32:33,360
patterned [music] scales blend perfectly
502
00:32:30,799 --> 00:32:35,360
with the forest floor, making it [music]
503
00:32:33,360 --> 00:32:38,360
almost invisible in the shadows of the
504
00:32:35,360 --> 00:32:38,360
jungle.
505
00:32:41,440 --> 00:32:46,080
The venom of the fair dons is a complex
506
00:32:44,000 --> 00:32:49,360
mixture [music] of hemotoxic and
507
00:32:46,080 --> 00:32:52,559
proteolytic toxins. These compounds
508
00:32:49,360 --> 00:32:55,360
attack blood cells, disrupt clotting,
509
00:32:52,559 --> 00:32:59,039
and destroy surrounding [music] tissue.
510
00:32:55,360 --> 00:33:01,760
For its prey, usually rodents, birds,
511
00:32:59,039 --> 00:33:02,720
and small mammals, the venom works
512
00:33:01,760 --> 00:33:04,880
quickly, [music]
513
00:33:02,720 --> 00:33:06,880
allowing the snake to immobilize its
514
00:33:04,880 --> 00:33:09,880
target with remarkable [music]
515
00:33:06,880 --> 00:33:09,880
efficiency
516
00:33:14,240 --> 00:33:19,519
in its natural [music] behavior. The
517
00:33:16,080 --> 00:33:21,360
fair dong is a classic ambush predator.
518
00:33:19,519 --> 00:33:23,360
It often remains completely still
519
00:33:21,360 --> 00:33:26,159
beneath leaves or branches, [music]
520
00:33:23,360 --> 00:33:28,159
waiting for movement nearby. When a
521
00:33:26,159 --> 00:33:30,240
potential prey animal passes within
522
00:33:28,159 --> 00:33:33,039
range, the snake strikes [music] with
523
00:33:30,240 --> 00:33:37,480
extraordinary speed before retreating to
524
00:33:33,039 --> 00:33:37,480
allow the venom to [music] take effect.
525
00:33:50,523 --> 00:33:52,543
>> [music]
526
00:33:59,120 --> 00:34:01,840
>> In regions where this snake lives,
527
00:34:01,003 --> 00:34:04,159
[music]
528
00:34:01,840 --> 00:34:07,440
the landscape is shaped by powerful
529
00:34:04,159 --> 00:34:09,839
geological forces. In Guatemala, the
530
00:34:07,440 --> 00:34:12,399
dramatic volcan [music] fuego rises
531
00:34:09,839 --> 00:34:14,320
above the surrounding forests as one of
532
00:34:12,399 --> 00:34:17,200
the most active volcanoes in the
533
00:34:14,320 --> 00:34:20,720
Americas. Columns [music] of smoke and
534
00:34:17,200 --> 00:34:23,359
ash often rise from its summit, creating
535
00:34:20,720 --> 00:34:27,520
a striking contrast against the [music]
536
00:34:23,359 --> 00:34:30,399
lush green mountains that surround it.
537
00:34:27,520 --> 00:34:32,480
Within these rich tropical environments,
538
00:34:30,399 --> 00:34:34,720
the Ferdilance [music] continues its
539
00:34:32,480 --> 00:34:38,200
quiet life among the leaves of the
540
00:34:34,720 --> 00:34:38,200
forest floor.
541
00:34:40,304 --> 00:34:42,324
[music]
542
00:34:43,520 --> 00:34:49,280
For humans, encounters with this snake
543
00:34:46,639 --> 00:34:51,280
can be extremely dangerous, especially
544
00:34:49,280 --> 00:34:53,679
in [music] rural areas where people walk
545
00:34:51,280 --> 00:34:57,280
through forest trails or agricultural
546
00:34:53,679 --> 00:35:00,880
land. A bite can cause [music] intense
547
00:34:57,280 --> 00:35:02,960
pain, swelling, internal bleeding, and
548
00:35:00,880 --> 00:35:06,400
severe [music] tissue damage if
549
00:35:02,960 --> 00:35:08,560
untreated. Yet, the fairance does not
550
00:35:06,400 --> 00:35:10,480
seek confrontation.
551
00:35:08,560 --> 00:35:13,760
It strikes [music] only when surprised
552
00:35:10,480 --> 00:35:18,040
or threatened, relying on venom as its
553
00:35:13,760 --> 00:35:18,040
primary tool [music] of survival.
554
00:35:33,280 --> 00:35:38,240
In the warm waters of the Indian Ocean
555
00:35:35,520 --> 00:35:40,400
and parts of the western Pacific, a
556
00:35:38,240 --> 00:35:44,839
slender and elegant predator moves
557
00:35:40,400 --> 00:35:44,839
effortlessly through the sea.
558
00:35:45,599 --> 00:35:51,599
The belchure's sea snake is one of the
559
00:35:48,720 --> 00:35:54,000
most venomous snakes ever discovered.
560
00:35:51,599 --> 00:35:56,960
Yet, it spends nearly its entire life
561
00:35:54,000 --> 00:36:00,839
beneath the surface of the ocean, rarely
562
00:35:56,960 --> 00:36:00,839
seen by humans.
563
00:36:13,839 --> 00:36:19,210
Its venom is an extremely potent
564
00:36:15,760 --> 00:36:22,160
combination of neurotoxic and myiotoxic
565
00:36:19,210 --> 00:36:24,450
[music] compounds. These toxins attack
566
00:36:22,160 --> 00:36:26,960
the nervous system and muscle tissue,
567
00:36:24,450 --> 00:36:30,400
[music] quickly disabling small fish and
568
00:36:26,960 --> 00:36:32,320
marine prey. For the snake, this
569
00:36:30,400 --> 00:36:35,359
powerful venom ensures [music] that its
570
00:36:32,320 --> 00:36:39,800
prey cannot escape in the vast and open
571
00:36:35,359 --> 00:36:39,800
environment of the ocean.
572
00:37:09,040 --> 00:37:14,320
Despite its incredible venom potency,
573
00:37:12,079 --> 00:37:17,359
the belchure [music] sea snake is known
574
00:37:14,320 --> 00:37:20,160
for its calm behavior. It swims
575
00:37:17,359 --> 00:37:23,040
gracefully through coral reefs and sandy
576
00:37:20,160 --> 00:37:26,640
seabeds, hunting small [music] fish and
577
00:37:23,040 --> 00:37:29,440
eels among underwater crevices. Its
578
00:37:26,640 --> 00:37:31,359
flattened tail acts like a paddle,
579
00:37:29,440 --> 00:37:34,920
allowing it [music] to glide efficiently
580
00:37:31,359 --> 00:37:34,920
through the water.
581
00:37:51,280 --> 00:37:55,920
In [music] regions where this snake
582
00:37:53,280 --> 00:37:59,839
lives, the ocean reveals one of the most
583
00:37:55,920 --> 00:38:01,599
extraordinary ecosystems on Earth.
584
00:37:59,839 --> 00:38:04,400
Along the northeastern [music] coast of
585
00:38:01,599 --> 00:38:06,800
Australia stretches the Great Barrier
586
00:38:04,400 --> 00:38:09,040
Reef, the largest [music] coral reef
587
00:38:06,800 --> 00:38:11,520
system on the planet and one of the most
588
00:38:09,040 --> 00:38:13,440
biodiverse marine environments in
589
00:38:11,520 --> 00:38:15,920
existence.
590
00:38:13,440 --> 00:38:18,960
Among [music] vibrant coral gardens and
591
00:38:15,920 --> 00:38:21,696
countless species of marine life, the
592
00:38:18,960 --> 00:38:26,040
belchure sea snake quietly navigates
593
00:38:21,696 --> 00:38:26,040
[music] its underwater world.
594
00:38:35,440 --> 00:38:41,440
For humans, encounters with this species
595
00:38:38,640 --> 00:38:43,200
are extremely rare. Most recorded
596
00:38:41,440 --> 00:38:45,200
incidents involve fishermen who
597
00:38:43,200 --> 00:38:47,839
accidentally capture the snake in
598
00:38:45,200 --> 00:38:50,800
fishing nets. Even though its venom is
599
00:38:47,839 --> 00:38:53,680
extraordinarily potent, the snake itself
600
00:38:50,800 --> 00:38:56,079
is not aggressive and usually avoids
601
00:38:53,680 --> 00:38:58,480
confrontation. Like many venomous
602
00:38:56,079 --> 00:39:01,280
animals in nature, it relies on its
603
00:38:58,480 --> 00:39:04,839
venom primarily for hunting and survival
604
00:39:01,280 --> 00:39:04,839
in the ocean.
605
00:40:11,119 --> 00:40:17,119
In the warm coastal waters of northern
606
00:40:13,599 --> 00:40:20,079
Australia and parts of the Indo-Pacific,
607
00:40:17,119 --> 00:40:23,040
a creature so small it can fit easily in
608
00:40:20,079 --> 00:40:25,520
the palm of a hand drifts silently
609
00:40:23,040 --> 00:40:28,400
through the ocean. The Erukanji
610
00:40:25,520 --> 00:40:30,400
jellyfish is nearly transparent, making
611
00:40:28,400 --> 00:40:33,839
it extremely difficult to see in the
612
00:40:30,400 --> 00:40:35,760
water. Despite its tiny size, it is
613
00:40:33,839 --> 00:40:38,079
responsible for one of the most intense
614
00:40:35,760 --> 00:40:41,079
venom reactions known in the marine
615
00:40:38,079 --> 00:40:41,079
world.
616
00:40:45,040 --> 00:40:50,383
The venom of the erukanji is incredibly
617
00:40:47,839 --> 00:40:53,839
powerful and affects both the nervous
618
00:40:50,383 --> 00:40:55,623
[music] and cardiovascular systems. When
619
00:40:53,839 --> 00:40:58,079
its delicate tentacles make contact
620
00:40:55,623 --> 00:41:01,040
[music] with the skin, thousands of
621
00:40:58,079 --> 00:41:03,599
microscopic stinging cells fire almost
622
00:41:01,040 --> 00:41:06,839
instantly, injecting venom [music] into
623
00:41:03,599 --> 00:41:06,839
the body.
624
00:41:24,160 --> 00:41:28,720
This can trigger a reaction known
625
00:41:25,753 --> 00:41:31,839
[music] as irkanji syndrome. A condition
626
00:41:28,720 --> 00:41:35,680
that causes severe pain, intense [music]
627
00:41:31,839 --> 00:41:37,839
anxiety, muscle cramps, nausea, and
628
00:41:35,680 --> 00:41:40,839
dramatic increases in blood [music]
629
00:41:37,839 --> 00:41:40,839
pressure.
630
00:41:47,368 --> 00:41:49,388
[music]
631
00:41:51,760 --> 00:41:56,560
In its natural behavior, the Irukanji
632
00:41:54,720 --> 00:41:58,640
jellyfish drifts with [music] ocean
633
00:41:56,560 --> 00:42:01,280
currents near the surface of tropical
634
00:41:58,640 --> 00:42:03,920
waters. Unlike fast [music] swimming
635
00:42:01,280 --> 00:42:06,400
predators, it depends largely on the
636
00:42:03,920 --> 00:42:08,960
movement of the sea to encounter tiny
637
00:42:06,400 --> 00:42:11,920
marine organisms that [music] become its
638
00:42:08,960 --> 00:42:14,319
prey. Its transparent body makes it
639
00:42:11,920 --> 00:42:15,839
almost invisible in the water, [music]
640
00:42:14,319 --> 00:42:20,359
providing an effective form of
641
00:42:15,839 --> 00:42:20,359
camouflage in the open ocean.
642
00:42:34,319 --> 00:42:38,720
For [music] humans, the danger of this
643
00:42:36,560 --> 00:42:40,319
jellyfish comes from its near
644
00:42:38,720 --> 00:42:41,760
invisibility.
645
00:42:40,319 --> 00:42:44,880
Swimmers may never see [music] it before
646
00:42:41,760 --> 00:42:47,359
contact occurs. A sting can trigger
647
00:42:44,880 --> 00:42:48,939
intense symptoms within minutes and
648
00:42:47,359 --> 00:42:49,839
requires immediate medical attention.
649
00:42:48,939 --> 00:42:52,079
[music]
650
00:42:49,839 --> 00:42:55,280
Yet, the Irukanji does not attack
651
00:42:52,079 --> 00:42:56,960
deliberately. It simply exists within
652
00:42:55,280 --> 00:42:59,680
the [music] delicate balance of the
653
00:42:56,960 --> 00:43:02,400
ocean. Another reminder that some of the
654
00:42:59,680 --> 00:43:07,400
most powerful creatures in nature are
655
00:43:02,400 --> 00:43:07,400
also the [music] hardest to see.
656
00:43:42,880 --> 00:43:48,800
Drifting across the surface of tropical
657
00:43:45,040 --> 00:43:53,599
and subtropical oceans, a tiny creature
658
00:43:48,800 --> 00:43:53,599
floats silently with the currents.
659
00:43:55,760 --> 00:44:01,119
The blue sea dragon, also known as
660
00:43:58,240 --> 00:44:03,839
Glaucus Atlanticus, is a small marine
661
00:44:01,119 --> 00:44:06,880
mollisk that rarely grows longer than a
662
00:44:03,839 --> 00:44:09,200
few cm. With its brilliant blue and
663
00:44:06,880 --> 00:44:11,760
silver colors and delicate wing-like
664
00:44:09,200 --> 00:44:16,760
appendages, it almost looks like a
665
00:44:11,760 --> 00:44:16,760
living sculpture carried by the waves.
666
00:44:37,839 --> 00:44:43,200
Despite its [music] fragile appearance,
667
00:44:40,319 --> 00:44:45,760
the blue sea dragon carries a remarkable
668
00:44:43,200 --> 00:44:48,720
defense. Unlike [music] many venomous
669
00:44:45,760 --> 00:44:51,425
animals, it does not produce its own
670
00:44:48,720 --> 00:44:53,440
venom. Instead, it feeds on highly
671
00:44:51,425 --> 00:44:56,319
[music] venomous organisms such as the
672
00:44:53,440 --> 00:44:57,839
Portuguese man of war and stores their
673
00:44:56,319 --> 00:45:01,200
stinging [music] cells within
674
00:44:57,839 --> 00:45:04,160
specialized tissues in its body. These
675
00:45:01,200 --> 00:45:06,400
stolen cells remain active and can be
676
00:45:04,160 --> 00:45:09,400
used by [music] the animal as a powerful
677
00:45:06,400 --> 00:45:09,400
weapon.
678
00:45:17,626 --> 00:45:19,646
>> [music]
679
00:45:26,560 --> 00:45:31,920
>> for humans. Encounters [music] with this
680
00:45:29,040 --> 00:45:33,680
animal are rare but memorable. Even
681
00:45:31,920 --> 00:45:36,560
though it is small and visually
682
00:45:33,680 --> 00:45:38,480
stunning, touching a blue sea dragon can
683
00:45:36,560 --> 00:45:41,520
cause an extremely [music] painful
684
00:45:38,480 --> 00:45:44,400
sting. Because it concentrates the venom
685
00:45:41,520 --> 00:45:46,880
taken from its prey, its sting can
686
00:45:44,400 --> 00:45:50,079
sometimes be even more powerful than the
687
00:45:46,880 --> 00:45:52,560
organisms it [music] feeds on. It is a
688
00:45:50,079 --> 00:45:55,119
striking reminder that in the ocean,
689
00:45:52,560 --> 00:45:59,640
beauty [music] and danger often exist
690
00:45:55,119 --> 00:45:59,640
within the same delicate form.
691
00:46:31,280 --> 00:46:35,760
in the warm coastal waters of the
692
00:46:33,359 --> 00:46:38,720
western Pacific, particularly around
693
00:46:35,760 --> 00:46:41,200
Japan and parts of Southeast Asia. A
694
00:46:38,720 --> 00:46:44,079
nearly invisible predator drifts
695
00:46:41,200 --> 00:46:46,720
silently through the sea.
696
00:46:44,079 --> 00:46:50,240
Chaireex Yamaguchi belongs to the group
697
00:46:46,720 --> 00:46:52,240
known as box jellyfish. Creatures famous
698
00:46:50,240 --> 00:46:54,960
for possessing some of the most powerful
699
00:46:52,240 --> 00:46:56,960
venoms in the marine world. Its
700
00:46:54,960 --> 00:46:59,599
transparent body makes it extremely
701
00:46:56,960 --> 00:47:03,839
difficult to detect in the water until
702
00:46:59,599 --> 00:47:03,839
it is already very close.
703
00:47:14,872 --> 00:47:16,892
>> [music]
704
00:47:21,920 --> 00:47:26,720
>> The venom of this jellyfish [music] is
705
00:47:23,839 --> 00:47:29,599
extremely potent and acts rapidly on the
706
00:47:26,720 --> 00:47:32,160
nervous system and heart. Along its
707
00:47:29,599 --> 00:47:35,920
tentacles are thousands of microscopic
708
00:47:32,160 --> 00:47:38,160
stinging cells called nimatysts.
709
00:47:35,920 --> 00:47:40,240
When triggered by the slightest contact,
710
00:47:38,160 --> 00:47:42,560
these [music] cells fire tiny venomous
711
00:47:40,240 --> 00:47:45,003
harpoons into the skin, delivering
712
00:47:42,560 --> 00:47:47,200
toxins capable of causing intense pain
713
00:47:45,003 --> 00:47:50,200
[music] and serious physiological
714
00:47:47,200 --> 00:47:50,200
reactions.
715
00:47:59,413 --> 00:48:01,433
[music]
716
00:48:04,560 --> 00:48:09,280
In its natural [music] behavior, this
717
00:48:06,880 --> 00:48:11,599
jellyfish moves slowly through shallow
718
00:48:09,280 --> 00:48:14,960
coastal waters [music] where small fish
719
00:48:11,599 --> 00:48:16,960
and marine organisms are abundant. Its
720
00:48:14,960 --> 00:48:19,040
long [music] tentacles trail behind it
721
00:48:16,960 --> 00:48:21,599
in the current, forming a nearly
722
00:48:19,040 --> 00:48:24,480
invisible web in the [music] ocean. Like
723
00:48:21,599 --> 00:48:26,480
many jellyfish, it relies largely on
724
00:48:24,480 --> 00:48:29,440
drifting movements and subtle
725
00:48:26,480 --> 00:48:32,760
contractions of its bell to move through
726
00:48:29,440 --> 00:48:32,760
the water.
727
00:48:49,119 --> 00:48:54,079
For humans, encounters with this
728
00:48:51,520 --> 00:48:57,359
jellyfish are rare, but can be extremely
729
00:48:54,079 --> 00:49:00,400
painful if they occur. A sting may cause
730
00:48:57,359 --> 00:49:02,480
intense burning sensations, swelling,
731
00:49:00,400 --> 00:49:04,160
and severe discomfort [music] depending
732
00:49:02,480 --> 00:49:08,079
on the amount of contact with the
733
00:49:04,160 --> 00:49:10,400
tentacles. Like most jellyfish, it does
734
00:49:08,079 --> 00:49:12,640
not [music] attack intentionally.
735
00:49:10,400 --> 00:49:14,800
It simply reacts when something touches
736
00:49:12,640 --> 00:49:19,400
its drifting tentacles in the [music]
737
00:49:14,800 --> 00:49:19,400
vast environment of the sea.
738
00:49:33,079 --> 00:49:35,099
>> [music]
739
00:50:18,400 --> 00:50:23,040
>> Throughout this [music] journey, we
740
00:50:20,319 --> 00:50:25,479
traveled across dense rainforests,
741
00:50:23,040 --> 00:50:26,319
silent deserts, towering mountains,
742
00:50:25,479 --> 00:50:30,640
[music]
743
00:50:26,319 --> 00:50:32,160
and the vast oceans of our planet.
744
00:50:30,640 --> 00:50:34,319
Along the way, we [music] encountered
745
00:50:32,160 --> 00:50:37,119
creatures that carry one of evolution's
746
00:50:34,319 --> 00:50:40,160
most extraordinary weapons,
747
00:50:37,119 --> 00:50:42,510
venom. Each of these animals is not a
748
00:50:40,160 --> 00:50:45,200
villain of nature, but a product of
749
00:50:42,510 --> 00:50:47,200
[music] millions of years of adaptation,
750
00:50:45,200 --> 00:50:51,160
shaped by the constant struggle to
751
00:50:47,200 --> 00:50:51,160
survive in the wild.
752
00:50:56,559 --> 00:51:01,920
What may [music] seem frightening at
753
00:50:58,319 --> 00:51:03,680
first often reveals something deeper.
754
00:51:01,920 --> 00:51:06,720
The same [music] environments that hold
755
00:51:03,680 --> 00:51:09,920
incredible beauty, coral reefs bursting
756
00:51:06,720 --> 00:51:12,000
with life, endless forests, and ancient
757
00:51:09,920 --> 00:51:14,160
deserts, [music] are also home to
758
00:51:12,000 --> 00:51:17,119
creatures capable of astonishing
759
00:51:14,160 --> 00:51:20,480
biological power. Venom, [music] in the
760
00:51:17,119 --> 00:51:22,960
end, is not cruelty. It is simply
761
00:51:20,480 --> 00:51:25,599
another language of nature, a strategy
762
00:51:22,960 --> 00:51:27,760
that allows life to persist in some of
763
00:51:25,599 --> 00:51:31,079
the [music] most competitive ecosystems
764
00:51:27,760 --> 00:51:31,079
on Earth.
765
00:51:40,150 --> 00:51:42,170
>> [music]
766
00:51:42,480 --> 00:51:47,440
>> And now we want to hear from you. Which
767
00:51:44,800 --> 00:51:48,640
of these animals surprised you the most?
768
00:51:47,440 --> 00:51:52,160
Let us know in [music] the comments
769
00:51:48,640 --> 00:51:55,040
below. If you enjoyed exploring the wild
770
00:51:52,160 --> 00:51:57,280
side of nature with us, make sure to
771
00:51:55,040 --> 00:51:59,040
like the video, subscribe to the
772
00:51:57,280 --> 00:52:01,520
channel, and join us [music] for the
773
00:51:59,040 --> 00:52:05,240
next journey into the extraordinary
774
00:52:01,520 --> 00:52:05,240
world of wildlife.56591
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