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In South America lives a group
One of the most unusual animals...

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And they are among the creatures
The most exciting thing on earth.

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They have fascinated us ever since we knew them.

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They are hummingbirds.

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Their bright colors and ingenuity
In the air like no other.

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They are celebrities, stars of the bird world.

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Translated by Dr. Muhammad Ezz El-Din
Email: Mo7amad3zz@gmail.com

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Hummingbirds are precious messengers

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But what do we know about these unique birds?

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Well, it's small in size,
It dwarfs the size of a scientist's hand.

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Among the smallest living animals
Hot blood on the ground.

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And we can see that they live
Their lives are in the fast lane.

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In flight, they appear as a passing specter

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Just when their super active lives slow down

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You can begin to understand how they live.

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High-speed cameras
Reduces movement speed.

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One second extends to 50,

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This allows us to look at
This is the secret world of the hummingbird.

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Most of their lives remain a mystery.

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What we do know is that hummingbirds
It depends on flowers for its food;

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Nectar fuels their frantic lives,

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And hummingbirds exist
Only in the New World.

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Most of them live in South America,

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And here our story begins.

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Here, many are used
Plant hummingbirds as messengers.

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But this was not the original contract.

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When flowers first developed
More than 60 million years ago,

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There were no hummingbirds.

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The first flowering plants were adopted
On insects as their pollinators.

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Today, many plants
Still do it;

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While butterflies move from a flower
To a flower drinking nectar,

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They take pills
Pollen from one plant to another.

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Plants are fertilized.
And insects feed.

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This was the original arrangement.

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The relationship between plants and insects
It was long and successful.

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But at a certain point, some plants

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Insects excluded.

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The reason can be found at
Forest mountains in South America.

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Here the mornings are cold and wet.

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Butterflies cannot fly in these conditions.

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Cold-blooded insects.

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Their bodies are the same degree
the temperature around them,

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So they are dormant
Deep in the cold morning.

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In the mountains, insects
Unreliable messengers

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A husband was needed
Safer than wings.

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We may never know where
This change happened to the apostles

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, but somewhere
in South America,

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Perhaps on the ancient plateaus of Brazil,

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Plants have gained a new partner.

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Maybe that happened a while ago
About 50 million years ago.

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In cold climates, she needed...
Plants to a reliable messenger,

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And there was a bird that could
To meet this condition.

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A bird that probably looks like a bird
Saw-billed hummingbird

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He found a new way to make a living.

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He was most likely the ancestor of this hummingbird

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Eat insects and spiders

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Its heavy beak is adapted to grasp its prey.

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At some point,

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Early hummingbirds
I started visiting flowers.

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Did they do this to extract insects from the buds?

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Maybe yes. But once this habit develops,

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The birds managed to carry grains
Pollen from flower to flower.

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The first hummingbirds did
It can only catch insects,

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But also drink nectar.

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The original hummingbird with its heavy beak

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It was a relatively large and relatively clumsy bird.

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This was the beginning of a relationship
Long with plants

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Birds have evolved to suit their ways
Her new life is better.

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Over millions of years,
Beaks have become lighter,

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To reach me more efficiently
Flowers for nectar.

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To reach the flowers requires it
Great flying prowess,

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The first hummingbirds became smaller

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More flexible than their predecessors.

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In addition to thin beaks
Birds developed long tongues

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To palpate the flowers and sip the nectar.

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Requires access to nectar
huge amount of energy,

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And hummingbirds did everything to reduce their weight.

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Their legs have become so small that they...
They can no longer jump or walk

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 They can only stand.

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They were already experiencing an extreme way of life,

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They live on the edge of energy balance.

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The first hummingbird provided reliable service
For his masters of plants,

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Able to fly in all weather conditions

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And transmission by pollen.

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For millions of years...

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Hummingbirds remained generalists,

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It feeds on a wide variety of flowers.

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Many plants interact
With new pollinators.

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Today there are more than 8,000 different species

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Which depends on birds.

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But there was a penalty
On the New Deal.

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It was on plants
Save more food

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For their hot-blooded messengers

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Exactly for this reason.

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Blood-blooded birds are used
Hot 10 times the energy

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used by insects
Cold-blooded.

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Hummingbird drinks more
of its weight in nectar each day

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Hummingbird flowers are produced in quantity
Plenty of liquid

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To suit their messengers.

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It was believed that hummingbird plants produced

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Orange and red flowers to attract their messengers.

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But the story is more interesting than that.

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Bees are blind to red and green

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The plants were hiding their precious nectar

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Of these thieves are insects

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That you don't see the difference
between red and green,

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While making it clear
To target feathered people.

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Hummingbirds also paid a price:

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To further protect their nectar from insects,

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The plants made their flowers long and thin,

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And put it at the end of the branches.

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Only an animal is able to fly accurately
He is the one who can reach the flowers.

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The hummingbird had to hover,

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This cost him a lot of energy.

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Input: High-energy food.

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But to get it requires
High power output.

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The hummingbirds were forced to settle
I have a careful balance of energy.

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Perfect retention
Its place in the air

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It is a distinctive sign of a hummingbird.

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Other birds cannot do this,

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Although the banana bird
Similar in size may be tried.

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But really, by comparison
With the hummingbird,

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Other birds seem clumsy.

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The reason is the way
Hummingbirds fly by.

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All birds, except birds
Hummingbirds and swifts are their distant relatives,

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You gain strength and rise upward
While beating the wing down

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Then you fold the wings as you move
Wing up, and repeat.

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Hummingbirds spread their wings
Lay it out and do not fold it.

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Instead, they rotate
shoulders so that the wing twists,

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Giving strength and lift with both movements

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Extra strength gives birds
Buzz is a great advantage,

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They can claim to be the most successful birds

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Which was launched into the air at all

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Until recently,

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 There was nothing
It can be compared with a hummingbird.

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Until a technology company emerged
Super in California

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He invented a robotic one.

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Fly just like a real hummingbird,

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Gaining strength from blows
Wings in both directions.

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It's a really amazing achievement.

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It's very realistic

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It even fools hummingbirds
Real flesh and blood.

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This hummingbird now has...
This is a garden suburb of Los Angeles

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And he is not ready to participate.

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Things are reaching a crisis point

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When the robot buzzer approaches
Real hummingbird nectar.

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It's time to attack!

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Hummingbird real size
It is only a quarter of the size of the robot

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But he still tries to flush out the intruder

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By attacking him

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The robot relies on battery power,

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And he can fly for a few minutes,

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But real hummingbirds
It can remain in the air for hours.

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Their special mode of flight gives hummingbirds

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The ability to maneuver in all kinds of ways.

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Unique among birds,
They can fly backwards.

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It can rotate in place

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And even fly backwards and upside down.

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Plants with hard-to-reach flowers

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Produced the ultimate aerial acrobats.

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All that finesse in the air costs energy.

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when you fly,

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Hummingbirds have the highest demand
On oxygen of all vertebrates.

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Wings beat up quickly
Up to 80 times per second.

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The problem is getting
Oxygen to flight muscles.

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When the bird perches,

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The heart beats about 400 times per minute.

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During flight the rate increases to
 1200 accuracy per minute

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While the heart pumps rich blood
With oxygen to the wing muscles.

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Even this is not enough when flying,

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Therefore, the heart expands in size

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So he can pump more
of blood with every heartbeat.

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When this happens, blood circulates
around the whole body,

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From the heart to the lungs to the heart to the muscles

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And return to the heart in less than one second.

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They live on the edge of what is possible.

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Aerial athletes with extreme needs.

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It is not surprising that when...
They do not fly and feed,

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They rest and conserve energy.

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Hummingbirds spend 80% of the day standing.

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So they have time to stretch their muscles

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And trim all important feathers.

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Rain showers provide another opportunity

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For cleaning and trimming feathers.

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Unlike insects, it seems
Hummingbirds enjoying the rain.

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So when it rains
Little birds

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She runs to the sheets to shower.

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Even the banana bird joins in

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But showering can
Only be for a short time,

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For hummingbirds, they need...
To feed, on average, every 15 minutes

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Starvation, and death is just a few hours away

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It is essential for birds that are suffering
From this danger of energy balance

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 Don't waste time

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In visiting the flowers that
It does not contain nectar.

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But is it possible that hummingbirds can...

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Remember all the flowers
Which have you recently visited?

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This may seem appropriate when it is
You only have a few flowers on a stem,

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But what when you encounter...
The task in the Tabobia tree?

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Even here, hummingbirds can and do so
Already remembering the flowers they visited,

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A great achievement for the bird brain.

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Plants have certainly shaped hummingbirds,

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Its size, its flying capabilities

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And an overactive metabolism.

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But birds cannot live
By nectar alone.

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They need protein
And so they clutch their wings

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And they make the most movements
Acrobatics are amazing and skillful.

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Not all flights are successful, but most are.

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Birds need protein to build muscle
And replace feathers.

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The only problem is avoidance
Choking on small flies

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Hummingbirds are unique
Its kind in many ways,

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But it has something in common with all other birds

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In need of reproduction.

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Wire crested hummingbird
The forktail has a strange manner

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To influence the female.

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Flirting takes a few seconds,

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It wasn't noticed until the camera was revealed
Its high speed and unusual nature.

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For a bird that lives on the edge of a knife,

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The show feels like a show of energy.

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It may be designed to do just that,

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To show male physique.

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Despite all his active endeavours,

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This female remains unaffected.

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It is only the female that builds the nest

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And take care of the eggs.

225
00:26:29,843 --> 00:26:33,643
But for hummingbirds
Even this is not easy.

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To stay on the nest long enough
To keep their eggs warm,

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On the contrary, the female has it
To lower her body temperature.

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Only this way she can
Reduce the time required

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To spend time away from feeding.

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The most dangerous time in a hummingbird's life

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It is when he is a chick.

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It should remain inconspicuous.

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Only when do they discover the feathers down their backs
 The vibrations of their mother's wings

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They beg silently.

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The chicks are fed a rich mixture of
Nectar, pollen and insects.

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But despite all this interest,

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Few nesters reach adulthood

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Even as adults, birds encounter
Buzz is severe problems.

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They have to refuel from
nectar every 15 minutes,

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How do they survive in the hours of darkness?

241
00:28:05,199 --> 00:28:09,078
Every night of their lives, they face...
Hummingbirds are a challenge

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To stay alive
Life until morning.

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Their answer is as unusual as all
other aspects of their lives

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They go into numbness,
It is a kind of hibernation.

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Body temperature decreases.

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00:28:30,464 --> 00:28:33,443
Heart rate
decreases from 400 to 40,

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And they consume 1/100 of the energy
Which they use when flying.

248
00:28:41,684 --> 00:28:45,483
This is a truly radical and dangerous solution.

249
00:28:45,484 --> 00:28:48,271
Because it is in a state of hibernation
They can't move.

250
00:28:48,272 --> 00:28:50,202
There is no possibility of escape

251
00:28:50,244 --> 00:28:53,406
From a nocturnal predator who might find her.

252
00:28:58,413 --> 00:29:03,036
As day approaches, they begin
In shivering and warming up.

253
00:29:03,171 --> 00:29:07,113
It may take half an hour
Before it returns to normal.

254
00:29:15,171 --> 00:29:17,311
Only through these extreme measures

255
00:29:17,312 --> 00:29:21,252
Hummingbirds can survive
Alive for another day.

256
00:29:27,592 --> 00:29:31,111
To live an intense life
activity as you do,

257
00:29:31,112 --> 00:29:35,331
Birds must be guaranteed
The buzzard is getting nectar.

258
00:29:45,926 --> 00:29:47,376
For most hummingbirds,

259
00:29:47,401 --> 00:29:52,452
This means guarding an area from
The flowers are large enough to support them.

260
00:30:02,921 --> 00:30:06,468
Flowers are the lifeline of birds,

261
00:30:06,505 --> 00:30:09,078
So even when they visit
plant for food,

262
00:30:09,125 --> 00:30:11,321
The hummingbird keeps alert

263
00:30:11,322 --> 00:30:16,322
For potential nectar thieves,
Like this female forktail

264
00:30:23,302 --> 00:30:26,560
Most aggressors, when
The rightful owner faces them,

265
00:30:26,714 --> 00:30:30,235
They retreat and abandon the lands.

266
00:30:33,242 --> 00:30:36,641
But basically, he defends
Angel about the flower patch

267
00:30:36,642 --> 00:30:40,716
With the most colorful display.

268
00:30:53,732 --> 00:30:58,233
Hummingbird feathers are iridescent.

269
00:31:15,652 --> 00:31:18,651
Colors are not produced by pigments,

270
00:31:18,652 --> 00:31:22,582
But by layers of bubbles
Microscopic air in feathers.

271
00:31:22,583 --> 00:31:26,092
Air bubbles break, reflect and collect

272
00:31:26,093 --> 00:31:29,687
Sunlight to produce dazzling colors.

273
00:31:33,732 --> 00:31:36,292
Colors depend on the angle of sunlight,

274
00:31:36,293 --> 00:31:40,701
Even hummingbirds can
Turning on and off their wonderful signals,

275
00:31:40,702 --> 00:31:42,973
absolute warning to the intruder,

276
00:31:42,974 --> 00:31:45,693
But able to hide from the enemy.

277
00:31:53,793 --> 00:31:56,513
If the warning color flash fails,

278
00:31:56,514 --> 00:31:58,833
He will fight the hummingbird

279
00:31:58,858 --> 00:32:02,052
Although it is small in size, it is
They are not delicate tropical jewels,

280
00:32:02,053 --> 00:32:03,993
But aggressive fighters.

281
00:32:03,994 --> 00:32:06,393
It is a matter of life and death.

282
00:32:06,394 --> 00:32:10,359
The owner must defend
Its precious supply of nectar.

283
00:32:34,702 --> 00:32:37,312
As befits the greatest birds

284
00:32:37,313 --> 00:32:40,483
Lots of fighting in the air.

285
00:33:40,660 --> 00:33:44,069
Air battles really are
battle for flowers,

286
00:33:44,094 --> 00:33:46,583
Because without land,
Most hummingbirds

287
00:33:46,584 --> 00:33:48,987
In mortal trouble.

288
00:34:04,099 --> 00:34:08,258
In northern Brazil
There are temporary areas

289
00:34:08,259 --> 00:34:11,294
Which lasts for mere hours.

290
00:34:13,840 --> 00:34:16,419
Cacti that colonize bare rocks

291
00:34:16,420 --> 00:34:19,609
It reveals its flowers only in...
In the afternoon.

292
00:34:19,610 --> 00:34:23,579
In the morning, they are hidden
Inside these strange covers,

293
00:34:23,766 --> 00:34:26,738
The rock garden is deserted.

294
00:34:42,079 --> 00:34:44,439
But when the flowers bloom,

295
00:34:44,440 --> 00:34:48,398
Hummingbirds appear
As if by magic.

296
00:34:48,399 --> 00:34:51,576
They remember the time when nectar becomes available.

297
00:35:14,509 --> 00:35:17,619
Birds feed on abundant nectar,

298
00:35:17,620 --> 00:35:20,779
In return, she carries pills
Sticky pollen of the plant

299
00:35:20,780 --> 00:35:24,737
On their beaks and transport
To other flowers.

300
00:35:36,639 --> 00:35:39,598
Hummingbirds sculpt this microcosm,

301
00:35:39,599 --> 00:35:44,137
A list of periodicals in their field
aerial and chasing intruders.

302
00:35:52,539 --> 00:35:56,470
The temporary rulers of the cactus patch are fearless.

303
00:35:56,471 --> 00:36:01,380
They attack each other and ignore
Lizards are much larger than them

304
00:36:01,381 --> 00:36:06,349
But when it comes to bees
And wasps, they are retreating.

305
00:36:06,350 --> 00:36:09,370
Hummingbirds are smaller than
Being exposed to the risk of injury.

306
00:36:09,371 --> 00:36:11,233
It will be fatal

307
00:36:27,731 --> 00:36:30,450
Hummingbirds survive, feed and fight

308
00:36:30,451 --> 00:36:33,910
It guards its thorny piece until evening.

309
00:36:33,911 --> 00:36:37,810
Then, when the light fades
gradually rises,

310
00:36:37,811 --> 00:36:40,709
To return the next afternoon.

311
00:36:50,890 --> 00:36:53,789
Hummingbirds, with their wonderful adaptations,

312
00:36:53,851 --> 00:36:56,610
It was an evolutionary success.

313
00:36:56,611 --> 00:36:59,230
They moved to a group
variety of citizens,

314
00:36:59,231 --> 00:37:01,030
Wherever there are flowers

315
00:37:01,031 --> 00:37:03,846
That need reliable pollinators.

316
00:37:07,132 --> 00:37:10,490
About 17 million years ago,

317
00:37:10,491 --> 00:37:12,802
Another opportunity arose,

318
00:37:12,827 --> 00:37:16,151
When I pushed the Andes
By moving continents,

319
00:37:16,152 --> 00:37:18,006
I grew higher than ever.

320
00:37:24,710 --> 00:37:29,311
The volcanic summit of the Sierra has been reached
to more than 5000 meters,

321
00:37:29,312 --> 00:37:32,391
Higher than the ancient Brazilian plateau,

322
00:37:32,518 --> 00:37:35,392
Creating new habitats.

323
00:37:38,683 --> 00:37:41,606
The mountains also brought new challenges.

324
00:37:41,607 --> 00:37:44,887
There was less oxygen
In these heights,

325
00:37:44,888 --> 00:37:48,186
The air is thinner and less dense.

326
00:37:55,748 --> 00:37:59,506
Some plants offered support
Their messengers are feathered.

327
00:37:59,507 --> 00:38:04,266
Birds cling to the bright sunbeam
Fuchsia plants while feeding them,

328
00:38:04,267 --> 00:38:07,697
Thus, it saves high flying cost

329
00:38:26,694 --> 00:38:29,382
Other birds found a way
Different way to deal with life

330
00:38:29,407 --> 00:38:31,310
In the high mountains.

331
00:38:32,908 --> 00:38:35,867
The giant hummingbird has huge wings.

332
00:38:35,868 --> 00:38:39,661
The extra wing area compensates for the thin air.

333
00:38:42,668 --> 00:38:46,587
The giant moves its wings in a wide arc

334
00:38:46,588 --> 00:38:48,688
To create more leverage,

335
00:38:48,713 --> 00:38:52,659
The two wings come together
Almost at the end of each stroke

336
00:38:54,007 --> 00:38:56,547
The giant is the largest among
All hummingbirds.

337
00:38:56,548 --> 00:38:58,647
It's the same weight as a big bird,

338
00:38:58,648 --> 00:39:02,858
Perhaps this is the limit
Top for hummingbirds.

339
00:39:14,709 --> 00:39:17,917
The Andes Mountains, have
A wide range of citizens,

340
00:39:17,918 --> 00:39:21,187
It produced an explosion of hummingbird species.

341
00:39:21,188 --> 00:39:23,520
Half of all hummingbird species

342
00:39:23,521 --> 00:39:27,554
They live in these mountains side by side
Together with their plant partners.

343
00:39:29,292 --> 00:39:33,148
Some plants formed a closer relationship

344
00:39:33,229 --> 00:39:35,673
With their sexual messengers.

345
00:39:36,490 --> 00:39:41,490
This is the cologne plant, and its flowers are enormous,

346
00:39:41,760 --> 00:39:43,999
Its length is 20 cm.

347
00:39:50,129 --> 00:39:53,649
Nectar is produced at the end of the tube,

348
00:39:53,650 --> 00:39:57,052
Out of reach of most hummingbirds.

349
00:40:03,630 --> 00:40:05,197
This little crown bird

350
00:40:05,228 --> 00:40:08,897
He simply does not have the means
To reach the nectar.

351
00:40:28,570 --> 00:40:33,067
Only one bird can
Sipping from his cologne

352
00:40:34,079 --> 00:40:37,306
This one, is the sword-wielding hummingbird

353
00:40:39,171 --> 00:40:42,908
Its beak is actually longer than its body.

354
00:40:42,909 --> 00:40:45,888
It has the longest beak, relative to the body,

355
00:40:45,889 --> 00:40:48,411
Of any bird in the world.

356
00:40:48,729 --> 00:40:52,589
And that wonderful beak, and tongue
both long,

357
00:40:52,590 --> 00:40:57,466
Swordfish hummingbirds are allowed
Feeding where other birds cannot.

358
00:41:15,157 --> 00:41:18,628
The beak can be
Has other uses.

359
00:41:24,850 --> 00:41:27,749
The cologne plant is not the only plant

360
00:41:27,750 --> 00:41:31,329
Who forms an intimate bond with
Sword-billed hummingbird

361
00:41:31,330 --> 00:41:36,520
This is a type of passion flower and also,
It has a long, tubular flower.

362
00:41:37,548 --> 00:41:41,338
The orange thing on a hummingbird's neck
This one with the sword is the pollen.

363
00:41:47,750 --> 00:41:50,149
Every time he drinks from the passion flower,

364
00:41:50,150 --> 00:41:55,150
Pollen is transferred back and forth
And back and forth between plants and birds.

365
00:42:08,849 --> 00:42:13,879
By forming this connection
Close, passion flower and cologne plant

366
00:42:14,225 --> 00:42:18,549
They increase the chances of transporting grains
Their vaccine was successful

367
00:42:18,550 --> 00:42:21,176
To a plant of the same species.

368
00:42:26,410 --> 00:42:30,688
And the hummingbird has it
Plants nectar all for themselves.

369
00:42:30,689 --> 00:42:34,272
Therefore, both plants and birds benefit.

370
00:42:50,650 --> 00:42:55,668
There is another hummingbird coon
Closer relationship.

371
00:42:55,669 --> 00:43:00,669
She has an exclusive deal
With this heliconia.

372
00:43:05,799 --> 00:43:08,330
The heliconia protects its yellow flowers

373
00:43:08,331 --> 00:43:11,562
Inside a strong red bottle.

374
00:43:24,590 --> 00:43:27,758
The flowers are deeply curved.

375
00:43:34,470 --> 00:43:38,297
Only this bird can
To reach the nectar.

376
00:43:49,726 --> 00:43:53,749
Its beak perfectly matches the curve of the flower,

377
00:43:53,750 --> 00:43:56,474
Like a key in a lock.

378
00:44:02,951 --> 00:44:05,902
While feeding in his flower garden,

379
00:44:05,903 --> 00:44:08,688
Pollen covers its head.

380
00:44:08,689 --> 00:44:12,310
The bird transports grains
Pollen from one plant to another,

381
00:44:12,311 --> 00:44:15,450
Guaranteed successful vaccination.

382
00:44:19,771 --> 00:44:23,589
Because the sickle bird has
Heliconia's nectar is all to himself,

383
00:44:23,789 --> 00:44:27,290
There is no need to defend the Earth.

384
00:44:27,291 --> 00:44:32,368
Instead, he spends his day shaving
From one group of flowers to another.

385
00:44:37,571 --> 00:44:41,410
And since it is not needed
To display his ownership of the flowers,

386
00:44:41,411 --> 00:44:46,060
Sickle hummingbirds are not iridescent.
Instead, it's rather dull in color

387
00:44:46,061 --> 00:44:49,645
Identical to its exclusive flowers.

388
00:45:08,151 --> 00:45:11,070
The next chapter in hummingbird evolution

389
00:45:11,071 --> 00:45:15,101
It was written about six million years ago.

390
00:45:17,391 --> 00:45:21,300
Some hummingbirds are getting smaller.

391
00:45:34,911 --> 00:45:37,287
These little birds

392
00:45:37,312 --> 00:45:41,911
They are among the smallest creatures
Warm-blooded animals on land.

393
00:45:46,871 --> 00:45:49,431
They weigh less than two grams,

394
00:45:49,432 --> 00:45:52,830
Same weight as a penny,

395
00:45:52,831 --> 00:45:56,688
They compete directly with insects.

396
00:46:08,930 --> 00:46:11,811
They're not just smaller than
other hummingbirds,

397
00:46:11,812 --> 00:46:16,620
They look asymmetrical,
And they act differently.

398
00:46:21,188 --> 00:46:26,147
Their flight is insect-like, in
She roamed freely through the forests

399
00:46:26,172 --> 00:46:29,080
, fed on a group
Variety of flowers.

400
00:46:49,692 --> 00:46:53,945
The mystery is why these buzz
Small ones like this woodstar

401
00:46:53,998 --> 00:46:57,635
, Don't be attacked by
Larger landowners.

402
00:47:12,461 --> 00:47:16,558
Emerald shrugs aggressively
This little thief.

403
00:47:17,299 --> 00:47:18,299
Why?

404
00:47:34,164 --> 00:47:36,072
Which is still more mysterious

405
00:47:36,097 --> 00:47:39,243
The little woodstar doesn't show any
Fear at all

406
00:47:39,268 --> 00:47:43,045
While the nectar store is plundered
For the emerald hummingbird.

407
00:48:11,668 --> 00:48:17,934
The emerald hummingbird may not be considered
The little woodstar is like a hummingbird.

408
00:48:24,562 --> 00:48:28,509
Instead, its small size and
Its insect-like movement

409
00:48:28,534 --> 00:48:31,099
Fool the bigger bird.

410
00:48:49,882 --> 00:48:53,983
Even the emerald hummingbird participates
In the flower with the little intruder.

411
00:49:02,015 --> 00:49:09,108
Could it be that Woodstar is gambling on...
Hummingbirds' instinctive fear of wasps and bees?

412
00:49:11,340 --> 00:49:14,599
This new group of
Small hummingbirds

413
00:49:14,600 --> 00:49:17,951
It probably originated in Central America.

414
00:49:18,221 --> 00:49:21,866
From there, they spread to the north.

415
00:49:24,560 --> 00:49:27,051
And what attracted her were the flowers.

416
00:49:37,420 --> 00:49:41,043
But there is a major drawback
Living in the north so far

417
00:49:42,127 --> 00:49:43,288
Winter

418
00:49:44,237 --> 00:49:48,926
So, every fall, you should be heading out
Ruby-throated hummingbirds to the south

419
00:49:49,017 --> 00:49:53,109
Before the flowers die, leaving them without food.

420
00:49:58,781 --> 00:50:03,539
By September, they had arrived
Places like Rockport, Texas.

421
00:50:03,540 --> 00:50:08,080
Some may have already flown
More than 3,000 kilometers from Canada.

422
00:50:08,081 --> 00:50:11,479
But many of them still are
They face the biggest challenge.

423
00:50:16,173 --> 00:50:18,372
They should continue south.

424
00:50:18,401 --> 00:50:23,401
This is for some
It means crossing the shores of the sea.

425
00:50:28,580 --> 00:50:33,478
Locals put out food
To help migrating hummingbirds.

426
00:50:39,021 --> 00:50:42,539
Every incoming hummingbird feeds furiously.

427
00:50:42,540 --> 00:50:44,134
They must gain weight,

428
00:50:44,159 --> 00:50:47,720
And transform the rich nectar
With sugar into fat.

429
00:50:47,721 --> 00:50:52,679
In just three days, you will double
Birds weigh approx.

430
00:50:54,281 --> 00:50:57,369
This is the equivalent
The average weight of a person increases

431
00:50:57,394 --> 00:51:00,891
By more than 50
One kilogram of fat.

432
00:51:12,687 --> 00:51:16,517
The arrival of hummingbirds is cause for a party.

433
00:51:16,542 --> 00:51:20,915
And Rockport is hosting
Celebration of hummingbirds

434
00:51:20,946 --> 00:51:23,416
People come from all over North America

435
00:51:23,441 --> 00:51:26,056
To see these little travelers.

436
00:51:26,461 --> 00:51:28,581
The most bizarre pictures ever.

437
00:51:28,582 --> 00:51:30,421
Yes

438
00:51:30,422 --> 00:51:31,400
certainly.

439
00:51:31,401 --> 00:51:32,572
Yes.

440
00:51:43,997 --> 00:51:45,999
At the height of migration,

441
00:51:46,000 --> 00:51:51,000
Rockport is a temporary home to dozens
Thousands of hummingbirds.

442
00:51:51,422 --> 00:51:53,920
This scene is for many
Of hummingbirds

443
00:51:53,921 --> 00:51:56,746
Can't find it in
No other place on Earth.

444
00:51:56,771 --> 00:51:58,701
But it can lead to some people

445
00:51:58,702 --> 00:52:01,769
To make a spectacle of themselves.

446
00:52:04,161 --> 00:52:07,190
A hummingbird helmet is all you need.

447
00:52:35,632 --> 00:52:37,841
Once the birds have stored enough fat,

448
00:52:37,842 --> 00:52:41,126
Moving the same distance to the coast.

449
00:52:41,251 --> 00:52:44,080
It's time for the biggest test

450
00:52:44,081 --> 00:52:46,613
For their strength in flight

451
00:52:47,806 --> 00:52:52,446
Night flight, at least
800 km, non-stop,

452
00:52:52,521 --> 00:52:56,717
It is an enormous task for such
These little birds.

453
00:52:56,935 --> 00:53:03,114
One last sip, and then you're off
Birds across the Gulf of Mexico.

454
00:53:07,572 --> 00:53:10,381
Much about the journey is still unknown.

455
00:53:10,382 --> 00:53:13,341
But recently,
Scientists tracked the birds

456
00:53:13,342 --> 00:53:18,872
Using Doppler radar in the center
United States National Weather

457
00:53:21,842 --> 00:53:25,541
Designed to detect water droplets within clouds,

458
00:53:25,542 --> 00:53:27,919
This advanced radar can

459
00:53:27,944 --> 00:53:32,991
It also reveals the path of flocks of birds
Small ones, including hummingbirds.

460
00:53:40,961 --> 00:53:43,751
Once they're off the radar,

461
00:53:43,752 --> 00:53:47,229
Their journey is shrouded in mystery.

462
00:53:51,482 --> 00:53:54,741
There's a lot we still don't
What we know about hummingbirds,

463
00:53:54,742 --> 00:53:58,038
About their fast secret life.

464
00:54:01,952 --> 00:54:03,476
But what we know

465
00:54:03,501 --> 00:54:10,909
Is that they are the most colorful creatures
The liveliness and acrobatics are amazing

466
00:54:11,728 --> 00:54:14,527
They live within the limits of what is possible.

467
00:54:14,528 --> 00:54:17,656
Miniature masterpieces of nature.

468
00:54:17,681 --> 00:54:22,781
And all because they are messengers of plants.

469
00:54:23,069 --> 00:54:27,319
Glory be to God and praise be to Him

470
00:54:30,610 --> 00:54:40,053
Translated by Dr. Muhammad Ezz El-Din 
email:mo7amad3zz@gmail.com