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Babies.
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They come in all shapes
and sizes.
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And generally,
the bigger the animal,
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the bigger the baby.
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So a baby might be puny
compared to its parent
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but that doesn't mean
it's not a mini giant.
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(♪♪♪)
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(Birds chirping)
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(♪♪♪)
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The phrase "little baby"
applies to most infants.
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But not to elephant calves
like Nandi,
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born weighing
as much as 270 pounds.
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That's a whole lot of baby!
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Nandi is the newest addition
to our African elephant herd,
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and she's our first
baby elephant
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at the Reid Park Zoo.
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Just hours after she was
born, Nandi could see, smell
and walk.
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Before long, she figured out
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how to put
her most distinguishing feature
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to good use.
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Her trunk contains
around 100,000 muscles.
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African elephants
have amazing trunks,
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and their trunks
are so many things to them,
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they're an arm and a straw,
all in one.
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Their trunks, even more
interesting, I think, are used
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when they greet each other
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and when they interact
with each other.
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So their trunks are a way
that they connect,
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much like we might hug a friend
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or shake the hand of someone
we've just met.
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That's what elephants
use their trunks for,
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for their communication.
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Now, just less than
1-year-old, Nandi spends
most of her time
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checking out anything
she can reach.
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And if she strays too far,
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her mother, Semba,
cops her back in line.
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Semba's interactions with
Nandi are very gentle and sweet.
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Semba uses her trunk
to touch her
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and to comfort her
and to guide her along,
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00:02:04,658 --> 00:02:06,827
so if she's trailing behind
or she's moving too slow,
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00:02:06,827 --> 00:02:08,895
Semba will use her trunk
to kinda push her,
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give her a little boost.
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But it takes a village
to raise a baby elephant.
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So, when Nandi gets hungry,
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she can get milk
not only from Semba
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but from any of her aunts,
known as allomothers.
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In the wild,
allomothers make sure
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the calf keeps up with the herd
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and doesn't end up
as a lion's lunch.
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But Nandi doesn't have to worry
about that here.
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Nandi is very,
very enthusiastic.
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When she greets her keepers
in the morning,
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when she gets to go out
on to the exhibit,
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she flares her ears out
and trumpets
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and runs really quickly,
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like a little kid who's excited
to go out and play.
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She will often run out
and grab an item,
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it might be a branch,
it might be a piece of hay
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or a chunk of bark,
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and she'll hold her trunk
up high
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and wave it around
as though it were a flag,
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and it's just really,
really cute.
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It's hard not to laugh
when you watch her,
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hard not to be
in a really great mood.
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African elephants are the
world's largest land animals.
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By the time Nandi is 6,
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she'll tip the scales
at more than a tonne.
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Her big brother, Sundzu,
who's 4 four years old,
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is well on his way.
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Sundzu was the former baby
of the family,
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and he had a difficult time
adjusting,
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to not being always
under mom's feet,
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but over time,
over several months,
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he really became more curious
about Nandi
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and now plays with her
almost every day.
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It's really sweet,
he's very gentle with her.
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By playing with Sundzu
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and interacting
with the rest of the herd,
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Nandi is experiencing
a world similar
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to what she'd face
out in the wild,
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she's learning
how to be an elephant.
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She's just recently
encountered our pool,
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00:04:02,042 --> 00:04:05,979
and it's a little different
perhaps than a wild stream
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00:04:05,979 --> 00:04:08,048
in that
it has slightly steep steps,
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and so her first venture in,
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she just ran into the pool
and sank.
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She was okay,
she was with her mom
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00:04:13,587 --> 00:04:15,522
and she was able to swim,
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but that's something
that's really important
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for young calves in the wild,
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to learn how to negotiate
mud wallows
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and bodies of water
so that they can be safe.
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In the wild,
Nandi and the rest of the herd
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will depend
on Nandi's mom, Semba,
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the dominant female
or matriarch.
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00:04:31,505 --> 00:04:33,106
Matriarchs play a critical role
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in guiding the herd
to water and food.
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The loss of the matriarch
can devastate the herd.
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Out in the open,
the risk in real.
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One of the problems
that we're facing is that
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matriarchs, just like bulls,
do have long tusks
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and elephants are often poached
for their ivory tusks,
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and it's typically
the older elephants,
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and so a problem can be
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when older elephants
are taken out of the population.
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The knowledge that they have,
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that they've not yet passed down
to the rest of the herd,
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is lost with their death.
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Nandi will reach sexual
maturity at around 12 years old.
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By then,
she'll tower up to 14 feet tall
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and weigh more than 5 tons.
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But, for now,
all that really matters to Nandi
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is hanging out with the herd
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and enjoying her special role
as the baby of the family.
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(♪♪♪)
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They're built
like beefy weightlifters,
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as wide as they are tall.
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Western lowland gorillas
stand at 5'5"
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but can max out
at nearly 350 pounds,
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making them the largest primates
on the planet.
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But not this girl.
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(♪♪♪)
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At not quite 2 years old,
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Anaka is still
a relative light weight
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and a total original.
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She has this curly hair
that really sets her apart
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from the other individuals
in the group.
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When Anaka was born,
she weighed around 4 pounds.
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Anaka's mother is Sukari,
which in Swahili means "sugar".
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And as far as Anaka's concerned,
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her mom is the sweetest.
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All of the gorilla's moms
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seem to have
their own parenting style,
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just like humans,
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and Sukari is the type of mom
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that, you know, she wants
to have an eye on her infant
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but she has no problem
with Anaka goes off
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and plays by herself
for a little bit,
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as long as she can keep an eye
on her.
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And Anaka appreciates
the freedom to roam.
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She learnt to walk on her own
at about 30-weeks-old,
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but even before that,
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she cultivated her own style
and resisted being babied.
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Normally,
gorilla moms will hold them
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but within like that first day,
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Anaka was already riding
on Sukari's back,
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which is really interesting,
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00:07:04,724 --> 00:07:07,527
but she's kinda been that sort
of "I'm a tough little girl"
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all along from day one.
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But even a tough little girl
needs a little help sometimes.
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When she gets frightened,
she's quick to call mom
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and she can make a loud scream
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when she's a little bit
frightened
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and everybody thinks,
"Oh my gosh, what's wrong?"
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but it's just her, you know,
wanting to be closer to mom.
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Huge adult gorillas, like
Sukari, can look pretty scary,
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but they are, in fact,
very shy, peaceful herbivores.
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Unlike other gorillas
that sleep in trees,
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lowland gorillas, like Sukari
and Anaka, sleep on the ground.
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But Anaka and Sukari
spend much of their waking hours
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in the trees,
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looking for leaves and fruit
to eat.
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Because the food is so small
and gorillas are so big,
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Anaka must eat
almost constantly,
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when she's not resting,
or playing with her pals.
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We have four juveniles
in our group
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and with four juveniles,
anytime is playtime really,
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so they're always chasing,
wrestling
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and making all these interesting
noises, these vocalizations
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that are associated often
with these play behaviors.
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Some of the other youngsters
will even give Anaka a lift.
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I wonder how that's possible
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cos they weigh almost
about the same,
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they both weigh about 30 pounds,
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so I just think,
"Oh, how are they doing that?"
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But I think it's just part
of being a gorilla
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and something they do.
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Playtime isn't just
for the youngsters,
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every once in a while,
mom joins the fun.
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But at the end of the day,
she's still Anaka's mother
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and protect her.
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So Anaka is very dependent
on her mom
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and she will sleep with her
at night,
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she rides on her back still.
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Anytime there is a moment
where Anaka's a little nervous,
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she'll, of course, go
right to her mom.
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Sukari will continue
nursing Anaka
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for another couple of years.
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Although lately,
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Anaka is starting to develop
a hankering for solid food,
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when she can get it.
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Her mom doesn't
actively share with her
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but her mom
does let her pick up food
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that maybe her mom has dropped.
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Gorillas are super-social
animals that hang out in troops.
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00:09:24,964 --> 00:09:28,802
In the wild, a troop usually
has five to ten members.
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It would be one male,
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00:09:30,036 --> 00:09:32,071
and an adult male
is called a silverback,
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00:09:32,071 --> 00:09:33,973
and he would be
with several females
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00:09:33,973 --> 00:09:37,644
that he's breeding with
and then, of course, their kids.
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00:09:37,644 --> 00:09:39,813
Lowland gorillas,
like humans,
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have no distinct
breeding season.
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The game is always on.
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But it's not always easy.
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First of all, a female
will only start breeding
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when she's 10 years old,
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00:09:53,293 --> 00:09:56,029
then with a 40%
infant mortality rate,
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she will only actually produce a
healthy baby every 6 to 8 years.
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00:10:03,236 --> 00:10:05,939
When a baby like Anaka
finally joins the troop,
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00:10:05,939 --> 00:10:09,909
she learns very quickly
who's the boss.
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00:10:09,909 --> 00:10:13,980
The dominant male,
the silverback.
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He has a very important job,
which is a difficult job,
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00:10:18,985 --> 00:10:21,421
but that's to keep
all of the girls in line
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00:10:21,421 --> 00:10:25,058
and to keep peace
within that family group.
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00:10:26,893 --> 00:10:29,062
At the silverback's side
are females,
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00:10:29,062 --> 00:10:31,998
like Sukari, with their babies.
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00:10:31,998 --> 00:10:36,202
Slightly further away
sit the females without babies.
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00:10:36,202 --> 00:10:38,104
And relegated to the outskirts
of the troop
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00:10:38,104 --> 00:10:42,075
are the subadult males.
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00:10:42,075 --> 00:10:44,077
In captivity, as in the wild,
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anything Anaka
and the other youngsters
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00:10:45,979 --> 00:10:48,047
need to know about their world,
223
00:10:48,047 --> 00:10:50,884
they learn
within this tight structure.
224
00:10:50,884 --> 00:10:53,086
They're watching their
parents for how to forage,
225
00:10:53,086 --> 00:10:56,089
what to eat, how to interact
with other individuals.
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00:10:56,089 --> 00:11:00,126
They're learning sort of the
social norms of being a gorilla,
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a wild socialized gorilla.
228
00:11:04,030 --> 00:11:06,466
Along the way, one of the big
lessons Anaka will learn
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is that one day she will have
to leave all this behind.
230
00:11:12,805 --> 00:11:14,107
And once the kids
become old enough
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00:11:14,107 --> 00:11:15,842
and they'll be--
reach sexual maturity,
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00:11:15,842 --> 00:11:18,878
they actually disperse
from the group.
233
00:11:21,014 --> 00:11:22,048
In the wild,
234
00:11:22,048 --> 00:11:26,953
Anaka could typically live
as long as 40 years.
235
00:11:28,421 --> 00:11:30,924
And maybe even have
a few babies.
236
00:11:35,161 --> 00:11:39,065
For now, here in the zoo,
she is just hanging out
237
00:11:39,065 --> 00:11:41,067
and loving life.
238
00:11:41,067 --> 00:11:47,907
(♪♪♪)
239
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Tough,
240
00:11:49,108 --> 00:11:50,977
rambunctious,
241
00:11:50,977 --> 00:11:52,545
and fast on his feet,
242
00:11:52,545 --> 00:11:57,350
this young white rhino doesn't
take orders from anybody.
243
00:11:57,350 --> 00:12:01,487
Only 2-1/2 months old,
and already 220 pounds,
244
00:12:01,487 --> 00:12:05,858
this baby, known as Tino,
was born to run.
245
00:12:05,858 --> 00:12:06,926
When he was first born,
246
00:12:06,926 --> 00:12:10,229
he was up on his feet
within about half an hour.
247
00:12:10,229 --> 00:12:13,999
And from then he actually
found his feet very quickly.
248
00:12:13,999 --> 00:12:16,269
He had big adventurous little
(Unclear) running around
249
00:12:16,269 --> 00:12:18,338
in his (Unclear)
checking everything out,
250
00:12:18,338 --> 00:12:22,642
before he could even really
walk properly.
251
00:12:26,512 --> 00:12:28,581
In the wild, Tino's fleet
feet
252
00:12:28,581 --> 00:12:30,116
could keep him safe
from predators
253
00:12:30,116 --> 00:12:33,119
if he should wander away
from his mom.
254
00:12:33,119 --> 00:12:35,822
But here, running's just a way
to burn off energy,
255
00:12:35,822 --> 00:12:37,190
when he is not wallowing
in the mud
256
00:12:37,190 --> 00:12:40,526
or exploring his new home.
257
00:12:40,526 --> 00:12:43,096
It's all mom can do
to keep up with him.
258
00:12:43,096 --> 00:12:50,036
(♪♪♪)
259
00:12:50,036 --> 00:12:52,238
And once he stops
pounding the turf,
260
00:12:52,238 --> 00:12:55,541
Tino's ready to go head to head
with the grownups.
261
00:13:00,046 --> 00:13:02,849
He very much likes
to show the others
262
00:13:02,849 --> 00:13:04,951
that he's this big brave thing,
263
00:13:04,951 --> 00:13:05,952
and he runs up to them
and says,
264
00:13:05,952 --> 00:13:08,221
"I'm the boss
and I'm gonna push you around."
265
00:13:08,221 --> 00:13:09,889
And then something
will give him a fright
266
00:13:09,889 --> 00:13:12,225
and he'll run away and squeal
like a little child.
267
00:13:14,227 --> 00:13:16,496
He's very much a mama's boy,
yes.
268
00:13:16,496 --> 00:13:20,066
So mama's very good
at being very protective of him
269
00:13:20,066 --> 00:13:21,534
so he knows he's safe,
270
00:13:21,534 --> 00:13:25,004
and he runs up
and hides behind mom.
271
00:13:25,004 --> 00:13:28,074
Tino's mom, Tamu, could've
been carrying this big bruiser
272
00:13:28,074 --> 00:13:31,144
for up to a year and a half.
273
00:13:31,144 --> 00:13:33,913
He was born a healthy 110 pounds
274
00:13:33,913 --> 00:13:36,949
and since then
he is just continued to grow,
275
00:13:36,949 --> 00:13:40,887
2-4 pounds every day.
276
00:13:40,887 --> 00:13:44,290
He began drinking milk
mere hours after he was born,
277
00:13:44,290 --> 00:13:46,292
but soon,
Tamu will wean him
278
00:13:46,292 --> 00:13:50,430
and show him
how to eat short grasses.
279
00:13:50,430 --> 00:13:54,233
Food is just the start
of the mother-baby bond.
280
00:13:54,233 --> 00:13:58,438
White rhinos are some of the
most devoted moms in the world.
281
00:13:58,438 --> 00:14:01,974
They generally stay with their
babies for 2-4 years.
282
00:14:03,943 --> 00:14:06,079
So mom's very much
being the teacher
283
00:14:06,079 --> 00:14:07,380
of getting him to use his horn,
284
00:14:07,380 --> 00:14:10,283
so they do a lot of sparring,
285
00:14:10,283 --> 00:14:13,519
where they sorta play fight
with both their horns.
286
00:14:15,254 --> 00:14:19,392
Teach him to rub on things
to shape his horn.
287
00:14:19,392 --> 00:14:20,493
She's been very good
288
00:14:20,493 --> 00:14:24,063
in showing him the essential
parts of life so far.
289
00:14:27,366 --> 00:14:32,105
White rhinos are one of the
most social rhinoceros species.
290
00:14:32,105 --> 00:14:34,407
Females leave their calves
in adolescence
291
00:14:34,407 --> 00:14:39,345
in tightknit herds of up to 14.
292
00:14:39,345 --> 00:14:43,015
These guys actually depend
on their mom or their siblings
293
00:14:43,015 --> 00:14:46,986
or even just their herd
to keep the mentality.
294
00:14:46,986 --> 00:14:51,190
These guys are actually quite
depressed if they're alone.
295
00:14:51,190 --> 00:14:55,194
At 1-month-old, white rhinos
are only about 2 feet tall.
296
00:14:56,729 --> 00:14:59,165
But give them a little time.
297
00:14:59,165 --> 00:15:01,968
They are the largest
living species of rhinoceros,
298
00:15:01,968 --> 00:15:04,570
growing as big as an SUV,
299
00:15:04,570 --> 00:15:07,940
and weighing up to 2-1/2 tons.
300
00:15:11,978 --> 00:15:13,412
The little nub on Tino's head
301
00:15:13,412 --> 00:15:17,450
will eventually develop
into two distinct horns.
302
00:15:17,450 --> 00:15:20,186
The largest front horn
will never stop growing
303
00:15:20,186 --> 00:15:22,622
and can reach up to 5 feet.
304
00:15:27,093 --> 00:15:28,060
Horns grow from the skin
305
00:15:28,060 --> 00:15:31,731
and are made of
compressed strands of keratin,
306
00:15:31,731 --> 00:15:35,434
the same material
as our fingernails and hair.
307
00:15:35,434 --> 00:15:36,469
And just like those,
308
00:15:36,469 --> 00:15:41,140
a rhino horn will grow back
if it breaks off.
309
00:15:42,175 --> 00:15:44,377
Females use their horns
to protect their young
310
00:15:44,377 --> 00:15:46,445
while males use them
against predators
311
00:15:46,445 --> 00:15:50,316
and to spar with other rhinos.
312
00:15:50,316 --> 00:15:53,019
But these important tools,
unique to rhinoceros,
313
00:15:53,019 --> 00:15:56,689
are a double-edged sword.
314
00:15:56,689 --> 00:15:58,191
A lucrative
horn-poaching business
315
00:15:58,191 --> 00:16:02,094
has endangered
the rhinoceros population.
316
00:16:02,094 --> 00:16:05,064
That's what makes Tino's birth
such a triumph.
317
00:16:07,600 --> 00:16:10,570
Thanks to the strength of
rhinoceros mothers, like Tamu,
318
00:16:10,570 --> 00:16:13,539
and conservation areas,
like this one,
319
00:16:13,539 --> 00:16:17,243
the white rhino
has made a huge comeback.
320
00:16:17,243 --> 00:16:19,545
Now reclassified
as near threatened,
321
00:16:19,545 --> 00:16:23,816
20,000 live in protected areas.
322
00:16:23,816 --> 00:16:25,351
Ultimately
what we're tryin' to do
323
00:16:25,351 --> 00:16:28,588
is to stop these guys
from becoming extinct,
324
00:16:28,588 --> 00:16:31,724
and the more we can get
these guys up in numbers
325
00:16:31,724 --> 00:16:35,094
and start to release them
back into the wild.
326
00:16:35,094 --> 00:16:37,797
So having this rhino calf
born here
327
00:16:37,797 --> 00:16:40,199
is another number into that
328
00:16:40,199 --> 00:16:42,568
but it's a huge feat for us
as well.
329
00:16:42,568 --> 00:16:47,106
This little calf's life
is a celebration.
330
00:16:47,106 --> 00:16:50,543
Once he's ready,
he will be sent off to mate.
331
00:16:50,543 --> 00:16:54,547
But he has a few frolicking
years left before that happens.
332
00:16:54,547 --> 00:16:57,350
For now, after a boisterous day
in the park,
333
00:16:57,350 --> 00:16:59,685
a nap is in order.
334
00:16:59,685 --> 00:17:03,589
Mother Tamu
will welcome the break...
335
00:17:03,589 --> 00:17:05,791
while at lasts.
336
00:17:07,660 --> 00:17:17,703
(♪♪♪)
337
00:17:17,703 --> 00:17:22,675
(♪♪♪)
338
00:17:22,675 --> 00:17:25,144
Majestic and strong,
339
00:17:25,144 --> 00:17:29,482
an enduring symbol
of the Great Plains.
340
00:17:29,482 --> 00:17:32,718
The bison is the heaviest
land animal in North America,
341
00:17:32,718 --> 00:17:36,322
reaching a height of 6 feet
and weighing up to a ton.
342
00:17:37,790 --> 00:17:42,128
Even newborns ate pretty big
and cute!
343
00:17:42,862 --> 00:17:44,363
Every April or May,
344
00:17:44,363 --> 00:17:46,132
the mother bison give birth
to babies
345
00:17:46,132 --> 00:17:49,835
that weigh-in between 33
and 55 pounds.
346
00:17:54,240 --> 00:17:57,443
Though he may look defenseless
as a newborn calf,
347
00:17:57,443 --> 00:18:00,279
you'd never wanna get
between him and his mother.
348
00:18:00,279 --> 00:18:02,248
No, you really don't wanna
push a bison in the wild.
349
00:18:02,248 --> 00:18:03,616
There's a couple reason
for that.
350
00:18:03,616 --> 00:18:06,319
They have very bad eyesight
and they are very big.
351
00:18:06,319 --> 00:18:07,787
So when they don't know
what you are,
352
00:18:07,787 --> 00:18:09,722
they're gonna charge at you.
353
00:18:09,722 --> 00:18:10,690
Big or small,
354
00:18:10,690 --> 00:18:14,226
once they get moving,
they are hard to stop.
355
00:18:14,226 --> 00:18:17,897
This little one's eager
to stretch his legs.
356
00:18:17,897 --> 00:18:20,766
They get happy,
they get excited,
357
00:18:20,766 --> 00:18:23,903
they'll kick, they'll buck,
they'll bounce around.
358
00:18:23,903 --> 00:18:26,172
If one gets excited
and starts running,
359
00:18:26,172 --> 00:18:27,139
they will all start running.
360
00:18:27,139 --> 00:18:28,708
And they just all of sudden,
out of nowhere,
361
00:18:28,708 --> 00:18:31,644
they get like puppy crazy
and it's great.
362
00:18:31,644 --> 00:18:40,619
(♪♪♪)
363
00:18:40,619 --> 00:18:42,254
Despite their massive size,
364
00:18:42,254 --> 00:18:45,858
bison are surprisingly swift
on their feet.
365
00:18:45,858 --> 00:18:49,528
When they have to, they can run
up to 40 miles an hour.
366
00:18:52,665 --> 00:18:55,968
While bison are powerful symbols
of the North American frontiers,
367
00:18:55,968 --> 00:18:57,970
they didn't originate here.
368
00:18:57,970 --> 00:19:00,673
Like humans, their ancestors
reached North America
369
00:19:00,673 --> 00:19:02,541
by crossing
the Bering Land Bridge
370
00:19:02,541 --> 00:19:06,245
some 500,000 years ago.
371
00:19:06,245 --> 00:19:08,614
And like us,
they started raising families
372
00:19:08,614 --> 00:19:10,883
and made themselves at home
on the range,
373
00:19:10,883 --> 00:19:13,919
which allow them to pay more
attention to their grooming.
374
00:19:16,722 --> 00:19:18,557
In captivity and in the wild,
375
00:19:18,557 --> 00:19:22,228
a little guy like this
sticks to his mom like a shadow.
376
00:19:22,228 --> 00:19:24,663
Mama wouldn't have it
any other way.
377
00:19:24,663 --> 00:19:25,464
They are great mamas.
378
00:19:25,464 --> 00:19:27,566
They definitely keep
the calf close
379
00:19:27,566 --> 00:19:29,402
and they will always
put themselves
380
00:19:29,402 --> 00:19:30,403
between a calf and a person.
381
00:19:30,403 --> 00:19:32,538
If a person walks up,
they'll put themselves.
382
00:19:32,538 --> 00:19:33,739
They scoot under them.
383
00:19:33,739 --> 00:19:35,841
When they're its first born,
384
00:19:35,841 --> 00:19:37,843
they'll bump it up
and get it nursing
385
00:19:37,843 --> 00:19:39,245
and guide it
where it needs to be,
386
00:19:39,245 --> 00:19:40,980
to find it, to be able to nurse.
387
00:19:40,980 --> 00:19:43,916
And they'll always protect it
and put themselves in-between
388
00:19:43,916 --> 00:19:47,920
that calf and any kind of danger
or person.
389
00:19:47,920 --> 00:19:49,422
Barely a day old,
390
00:19:49,422 --> 00:19:54,360
the fur on this ginger calf
will gradually darken.
391
00:19:54,360 --> 00:19:56,929
In 4 months,
he'll match his mom.
392
00:19:56,929 --> 00:20:02,334
(♪♪♪)
393
00:20:02,334 --> 00:20:04,937
But not all bison are dark.
394
00:20:04,937 --> 00:20:06,072
We have a couple herds
of bison here.
395
00:20:06,072 --> 00:20:11,210
We have a white bison
and we have brown bison here.
396
00:20:12,011 --> 00:20:14,980
In the wild, the rare white
bison are considered sacred
397
00:20:14,980 --> 00:20:19,452
among some Native American
religions.
398
00:20:19,452 --> 00:20:22,655
Whatever the color,
baby bison are quick studies.
399
00:20:22,655 --> 00:20:25,825
This fellah was standing
on his own at 10 minutes old
400
00:20:25,825 --> 00:20:28,427
and nursing within a half hour.
401
00:20:31,864 --> 00:20:34,633
For the next 18 months,
they will continue to nurse,
402
00:20:34,633 --> 00:20:36,936
but he's also fully equipped
to start grazing
403
00:20:36,936 --> 00:20:39,472
at only 5 days old.
404
00:20:41,373 --> 00:20:44,710
As goes a bison calf learned,
it does know how to nurse.
405
00:20:44,710 --> 00:20:46,846
They are born
with all their teeth.
406
00:20:46,846 --> 00:20:48,848
They have this full set
of baby teeth.
407
00:20:48,848 --> 00:20:51,083
So they can actually start
picking up
408
00:20:51,083 --> 00:20:53,385
how to eat hay,
how to do all that,
409
00:20:53,385 --> 00:20:54,820
how to drink water
and how to start surviving
410
00:20:54,820 --> 00:20:57,857
from the time
they are very small.
411
00:20:57,857 --> 00:20:59,892
By the time he is
9 months old,
412
00:20:59,892 --> 00:21:03,996
this guy can weigh
up to 400 pounds.
413
00:21:03,996 --> 00:21:06,065
The males and females
do develop differently.
414
00:21:06,065 --> 00:21:07,099
Males get bigger.
415
00:21:07,099 --> 00:21:10,002
They have a lot more shag
around their heads.
416
00:21:10,002 --> 00:21:12,938
Both do have horns.
417
00:21:12,938 --> 00:21:17,943
On an adult bull, these horns
can grow up to 2 feet long.
418
00:21:17,943 --> 00:21:20,579
Males keep growing
for up to a dozen years,
419
00:21:20,579 --> 00:21:22,648
but females reach
their maximum size
420
00:21:22,648 --> 00:21:26,585
when they reach sexual maturity
at age 3.
421
00:21:26,585 --> 00:21:28,954
Males, however,
are late bloomers
422
00:21:28,954 --> 00:21:33,025
and don't usually mate until
they are around 6 years old.
423
00:21:33,025 --> 00:21:36,061
Adult bison are almost too big
to tangle with,
424
00:21:36,061 --> 00:21:37,062
but in the wild,
425
00:21:37,062 --> 00:21:39,732
the calves can fall prey
to bears and wolves.
426
00:21:39,732 --> 00:21:42,935
They find safety in numbers.
427
00:21:42,935 --> 00:21:45,971
They all know to follow a
herd, which I think, is a skill
428
00:21:45,971 --> 00:21:47,806
essential for surviving
in the wild,
429
00:21:47,806 --> 00:21:49,775
because they are prey animals.
430
00:21:49,775 --> 00:21:50,943
It keeps them alive
to be in a herd
431
00:21:50,943 --> 00:21:52,745
and they've learned that.
432
00:21:52,745 --> 00:22:00,953
(♪♪♪)
433
00:22:00,953 --> 00:22:04,123
So if he were in the wild,
this vulnerable bison calf
434
00:22:04,123 --> 00:22:06,525
has got the whole herd
to protect him
435
00:22:06,525 --> 00:22:09,962
until he grows majestic
and strong.
436
00:22:11,597 --> 00:22:13,432
Until then, he can just practice
437
00:22:13,432 --> 00:22:15,801
some speedy
and graceful running.
438
00:22:17,937 --> 00:22:20,105
Graceful might take
a little longer.
439
00:22:23,642 --> 00:22:24,643
Except for their size,
440
00:22:24,643 --> 00:22:28,747
these big babies
couldn't be more different.
441
00:22:28,747 --> 00:22:31,750
Each is a mini version
of its giant parents
442
00:22:31,750 --> 00:22:33,953
and each is a keen student,
443
00:22:33,953 --> 00:22:36,689
learning how to make its way
in the world.
444
00:22:36,689 --> 00:22:46,732
(♪♪♪)
445
00:22:46,732 --> 00:22:56,875
(♪♪♪)
34915
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