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01x06 - Shark Dentist

Episode transcripts for the TV show, "Animals Like Us". Aired: May 5, 2024.*
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A unique insight into the everyday lives of animals and how they communicate, cooperate, love and cry - just as humans do.

01x06 - Shark Dentist

Post by bunniefuu »

Narrator: In the remote reaches

of the rainforest,

Narrator: In the remote reaches

of the rainforest,

health nuts

do whatever it takes

to get at the good stuff.

Even in the deepest oceans,

nobody likes

going to the dentist.

Especially if you have

teeth like these.

And high up in the forest

canopy,

rock stars knock out

a steady beat

to captivate

a very special audience.

This is a new way

of seeing the natural world,

where wild animals act

just like we do.

One of the fascinating

things about studying animals

is discovering how many aspects

of their behaviour

have parallels with our own.

Narrator: Around the globe,

animals continue to

astound us

with their intelligence,

and deep emotions.

The amazing thing is,

the more we learn about them,

the more we realize

animals are a lot like us.

In these clear blue waters

is a marine mammal

that likes to gossip

as much as we do.

The Atlantic spotted dolphin.

This species of dolphin,

likes nothing more

than to chatter

with family and friends.

Spotted dolphins are one

of the most intelligent

animals on the planet.

And they've got large brains,

which helps them navigate

within their environments.

Narrator: This is one of

the places they call home.

The warm waters of the Bahamas.

Full of energy,

spotted dolphins

are extremely playful,

and have earned

a reputation for being

one of the friendliest

of all dolphin species.

[Whistling and squeaking]

They like to blow bubbles.

And even play with toys.

But being able to

play well with others,

is key to the animals' lives.

Spotted dolphins live in pods,

large social groups

of up to 50 members,

mostly friends and relatives.

They have really complex

social structures

which allows them

to navigate and explore,

and ultimately stay together,

within this vast,

ocean ecosystem.

Narrator: They can travel

with as many as 200 individuals.

Like a bunch of families,

embarking on

an extended road trip together.

That's a lot of other dolphins

to get to know.

They need a way to communicate

and reach out to one another.

So dolphins have effectively

developed their own language.

It's made up of a variety

of squeaks and whistles.

[Squeaking]

Narrator: Dolphins

don't have vocal chords.

So those squeaks and whistles

are produced by nasal sacs

in their heads.

There are three pairs

of air sacs

located just below

the dolphin's blowhole.

Some of their squeaks

and whistles

are so high pitched,

they're too high

for humans to hear.

But for a dolphin,

all the different sounds

are a complex chain

of words and sentences

that allow them to convey

messages to each other,

and even have conversations.

[Squeaking and whistling]

So, we've always known

that dolphins communicate

using squeaks and whistles,

but it would seem that

they are much more than

just simple commands.

The dolphins acoustic signals

are getting very close

to what we understand

as language.

Narrator:

Many dolphins call-out

to each other during a hunt

so they can synchronize

their movements.

They hunt as a cohesive unit,

working together

to encircle their prey.

Communication is key.

And when in distress,

they emit a clicking sound

to call for help.

But dolphin chatter

goes beyond warnings

and other simple conversations.

Like this adult female

that can't find her calf,

they often need to get

someone's attention.

[Whistling]

So, just like we give names

to our newborn babies

dolphins name their calves.

The dolphins are given

a signature whistle at birth,

and they then learn

their own unique whistle.

And amazingly,

these dolphins keep these names

for the entirety of their lives.

Narrator: New research

has shown

that a dolphin will respond

when it hears the sound

of its own signature whistle.

So, when mom calls

and her calf hears his name,

he'll repeat back that whistle

in a way that seems to say,

"Yup, I'm here, Mom,

did you call me?"

In really murky waters,

this is how they keep

track of each other,

even in big groups.

For example,

groups of young males

appear to chat constantly,

even on the move.

[Squeaking]

Narrator: This g*ng

of male teenagers

is roaming around

hoping to meet

some available females.

Kind of like a group of guys

bar-hopping on a Friday night.

Once they find females

they're interested in,

they whistle

and call each other

to formulate a game plan.

It's a tactical alliance.

By sticking together

they can ward off any rivals,

and get up close and personal

with the females.

Whether it's hunting

or looking for mates,

these dolphins really get

the concept of teamwork

and they work together,

they really cooperate.

And this is something that

we see in our own species.

Narrator: Just like humans,

dolphins develop

and maintain friendships

over the years.

In the wild,

Atlantic spotted dolphins

can live for as long

as two decades.

That's a lot of time to bond

with best friends.

We are just beginning

to uncover the secrets

of how these dolphins

communicate with each other.

One day, scientists hope

for a breakthrough

that will allow us

to communicate with dolphins

to recognize their sounds,

and respond in a way

they'll understand.

Perhaps, even allowing dolphins

to extend

their deep friendships

across species.

Physical affection

something most of us crave.

And it's the same for animals.

Gelada baboons spend hours

carefully and gently

grooming each other.

Chimps and bonobos kiss.

And bears, well,

they give bear hugs.

Lucy: The phrase "bear hug"

actually comes from bears.

Bears use hugs

for comfort and protection.

A mom will put her arm

around cubs

or siblings will comfort

each other when they're scared.

Narrator:

After a long stressful day,

couldn't we all do

with a bear hug?

For one animal,

things get even more intimate.

The majestic giraffe.

Standing up to

five-and-a-half metres tall.

They have unique their ways

of getting close to each other.

And their public displays

of affection

can be seen across

Sub-Saharan Africa.

Kenya.

This wild heart

of the African savannah

is home to both the hunter

and the hunted.

But some savannah citizens

are interested in making love,

not w*r.

With such long necks

and thin legs,

giraffes can sometimes

appear awkward.

But that doesn't stop them

from being affectionate.

Giraffes are often

called "Gentle Giants"

and they're very

affectionate with each other,

very protective of their young.

Mother giraffes

may nuzzle, lick,

or stroke their calves

to show affection.

Narrator: The affection

isn't restricted to moms

and their little ones.

Male giraffes typically

hang out together,

forming bachelor herds.

Like any group of guys,

there can be disagreements

and spats over dominance.

There is a hierarchy,

and this is how they work out

who's boss.

But there is also a softer side

to this behaviour.

In same-sex groups,

it can also signify tenderness.

Mostly between young males.

Lucy: It looks like

there's real affection there.

This is kind of like a bromance.

Narrator: They lean in

and rub their necks together

for long periods of time.

This behaviour is known as,

no surprise, "necking."

A kinder, gentler version

of the dominance displays

shown by the older males.

Necking in male giraffes

is really interesting

and sometimes

quite contradictory.

So while older giraffes will hit

each other with their necks

and it can be really violent

and aggressive,

younger giraffes,

when they're doing it,

it can often be

kind of affectionate.

Narrator: After rubbing

each other's necks,

males appear

to court each other.

This seemingly h*m*

behaviour between male giraffes

is actually really common.

Narrator: In fact,

for these fellas,

same sex courting

is more common

than cavorting with members

of the opposite sex.

Male giraffes are actually

far more likely

to be seen necking

with each other than females.

Actually, 90% of all observed

sexual behaviour

between giraffes

has been between males.

Narrator: These male giraffes

show affection for each other

throughout the rest

of their lives.

But they won't shun members

of the opposite sex entirely.

At some point,

most of these gents

will venture off

to actually mate with a female.

But it ends here.

Giraffe dads

don't help raise calves.

So, after coupling,

they're usually free to go back

to their herd of bachelors

and bond with their bros.

For many animals,

food gathering takes up

most of their day,

and most creatures

can't afford to be too picky.

With elephants,

it's all about volume.

They have to spend

19 hours a day

foraging and eating

just to fill themselves up.

And wild dogs have to hunt

morning and evening

to ensure that every member

of the pack is fed.

But there's a certain primate

that's a bit more

of a connoisseur,

taking food preparation,

and nutrition, very seriously.

This is Brazil.

Deep inside the spectacular

Amazon rainforest,

even in this lush habitat,

fruit can be difficult to find.

Like most tropical rainforests,

trees flower at different times

of the year here.

So discovering

what food is currently ripe

is time consuming.

But a local primate

that's both agile and clever

has mastered

its food collection

and turned the rainforest

into its very own kitchen.

These are

brown Capuchin monkeys.

The "health nuts"

of the Amazon.

These monkeys are omnivorous

and they've got

an incredibly varied diet.

They spend a lot of their time

travelling and snacking,

but it's not

the sort of snacking

that involves chips and dip.

It's healthier snacking.

It's things like seeds, leaves,

birds' eggs,

the occasional insect

that finds its way in its path.

Capuchins will move

through a rainforest

and through the seasons

they will make the most

of the different fruits

and different nuts

coming into season.

That variety of food,

obviously,

has benefits

to their nutrition,

their energy levels,

their fitness.

But also it means

that they've got to

figure out how to make the most

of such a variety of foods.

And that means sometimes

having to use the right tools.

Narrator: It's not

as easy as it looks.

One of the forest delicacies

they crave

is the fruit of

a certain type of palm tree.

When the fruit is ripe,

the flesh is soft,

although fibrous.

But the husk is notoriously

hard to crack.

So after they've eaten

the ripe fruit,

and drunk the juice,

they're left with a hard nut.

But they don't let this

precious nugget go to waste.

The nuts of these palm fruit

are highly nutritious,

but they're incredibly tough.

And the monkeys don't have

metal nutcrackers like we might.

So they've found a way

to get over this.

They take the fruit

to a large boulder,

which they then use as,

effectively, a chopping board.

Narrator: Like any good chef,

these monkeys

choose the right utensil

for the job.

After smashing the fruit

against a tree

to expose the nut,

the capuchins select heavy,

flat stones

that act as their nutcracker.

Using the weight of the rock,

and their own arm muscles,

they smash the stone

against the nut.

This is no easy task.

But there is no other way.

And these Capuchin chefs

are determined

to sink their teeth

into these tasty nuts.

It's amazing, because when

you look at the size

of some of those stones,

compared to their body size,

that these capuchins are using,

they're obviously

very determined.

Narrator: Capuchins learn

how to crack nuts

by watching their moms,

just like a human toddler

copying a parent.

And like any

good apprentice chef,

it can take years

to master the art.

But it's well worth it.

The fruit itself,

and the nut inside it,

have medicinal properties that

make it a monkey "super food."

These fruits have been

quite extensively studied

and they've been shown to have

internal cleansing properties,

they reduce fever.

They even help

remove internal parasites.

Narrator:

But the capuchins don't fixate

on just this one

fruit and nut combo.

These health-conscious primates

also use large stones

to access other

unique nutritional supplements.

Some are even found

inside certain rocks.

So what's really remarkable is

they're using these stones,

these smaller stones,

and smashing them

against larger boulders.

And what

they're trying to get at

is some of

the minerals in the rock.

Now, this is like

a vitamin supplement

that'll help them

to fight infections,

to fight parasites

and stay healthy,

just as we do,

we need supplements as well,

except they're getting this

from nature,

which shouldn't come

as a surprise

because that's what

we probably would've been doing

long before there were

natural health food stores.

Narrator: Research has found

that these capuchins

use 29 different tools

for pounding and digging.

Males and females were equally

adept at using the tools

once they'd gotten

the hang of it.

Studies have found that

capuchins have been using tools

like this, in this way,

for up to 3000 years.

It's not new behaviour,

it's just we now are

starting to appreciate the role

that these tools have

in making sure

that they have healthy diets

with all the minerals

and nutrients that they need.

Narrator: With all

the right tools to hand,

the Capuchin monkeys

use the rainforest

as their own personal

health food shop,

showing that these primates

put a lot of thought and effort

into maintaining a balanced

and healthy diet,

just like we do.

Not all animals are capable

of taking such good care

of themselves,

so some members

of the animal kingdom

enlist help from other species.

It's called "Mutualism,"

where one creature

performs a service for another

in exchange for food,

or protection.

Like these clown fish,

that safely hide

within the sea anemone's

stinging tentacles,

getting a secure place

to shelter

in return for providing

the anemone valuable nutrients

from its waste.

But sometimes this kind of

mutual relationship

means going where no one else

would dare.

The Indian Ocean.

The third-largest ocean

on Earth,

covering a fifth of the water

on the world's surface.

Here, in this metropolis

of tropical fish

is perhaps the bravest

of all the animal kingdom's

service workers.

The cleaner wrasse.

A small fish that takes on

a big job.

With its sharp little teeth,

and fearless demeanour,

it provides

important cleaning services

to creatures

that could easily devour them.

Cleaner wrasse

are simply amazing.

They swim along and remove

parasites and dead skin

from bigger fish

and other animals on the reef.

And it's a really good example

of one of these symbiotic

mutualistic relationships.

They benefit from getting a meal

and the clients or the host

benefit from, effectively,

being cleaned

and being healthier.

One of the cleaner wrasses'

regular customers

is this imposing creature,

the grey reef shark.

A prolific hunter that prowls

this idyllic

underwater landscape,

cruising over the corals

looking for its next meal.

Grey reef sharks are beautiful,

they're majestic animals.

They're amazing

to watch underwater.

They only grow to

about six-foot in length,

but they are deadly hunters

and they're always

on the lookout for food.

Narrator: When they can,

these sharks prey on fish,

crabs, lobsters,

and cephalopods.

They've even been known

to crunch down on sea turtles.

These hard-shell delicacies

are tough on their teeth.

And let's face it

sharks don't have

the best table manners.

These sharks need a lot of fish

and crustaceans to chow down on.

And to be honest,

they're quite messy eaters, too.

Narrator: After a busy day

of hunting and feasting,

this shark needs to

tend to some personal hygiene.

So, it takes time

out of its busy day of hunting,

to do something that none of us

ever looks forward to

a trip to the dentist.

For this shark,

and others like it,

the dental hygienists

are the cleaner wrasse.

These small fish

offer a remarkable service

by setting up

underwater cleaning stations.

And as it arrives,

the shark signals it's here

for a check-up.

That's cool,

the shark's coming in

at a really particular angle,

mouth is open.

Ah, look at that,

that's a really clear signal

and straight away

these little cleaner wrasse

are darting up to the shark

and swimming around its mouth,

around its gills,

across its body.

This is really clear signalling

from both,

that's lovely.

Narrator: Down here,

there's an unwritten agreement.

A truce below the waves.

The cleaner wrasse

do the unthinkable.

They enter the shark's mouth

and start swimming around

in the predator's

razor-sharp teeth.

Picking away at the food

that's stuck in there.

You have to admire the bravery

of these small cleaner wrasse,

they're entering sharks' mouths

without a second thought.

But what might appear to be

one of the world's worst jobs

is actually really beneficial

to both animals involved.

So we all know

that good dental hygiene

is a great way

to keep your teeth.

Sharks know that too,

on some level at least.

So they'll show up regularly

at these cleaning stations.

The wrasse get in there

picking out debris

and making sure that

infection doesn't take hold.

So this helps

to keep the gums healthy

and make sure that those sharks

have great teeth for the job.

Narrator: And it's not just

parasites on the menu.

These wrasse don't just

remove pesky parasites,

because they're also removing

bits of tissue and skin as well,

from injuries, for example.

And this ultimately

helps the sharks heal.

Narrator: For them,

the shark is like a food truck

that pulls up

and offers a free meal.

Of course,

cleaner wrasse are careful

not to upset their clients,

but they don't hold back.

What's fascinating is that

the sharks never really seem

to bite back.

It's almost as if

they understand

that a little bit of pain

is part of this dental check-up.

Narrator:

Once the appointment is over,

the shark leaves with clean,

gleaming teeth.

And a mouth free of parasites,

which surely boosts

its immune system.

These mobile wrasse

cleaning stations

also benefit a whole host

of other animals.

They have a long client list,

like manta rays,

and turtles.

The cleaner wrasse

is a busy little fish

that plays an important role

in keeping coral reefs healthy.

The overall size, health,

and diversity of marine life

is greater in places

where they work,

versus areas

where they don't.

Essentially, the cleaner wrasse

keeps marine creatures

more healthy

and attract other fish

that are keen to take advantage

of their incredible service.

Around the world,

animals play an important role

in keeping ecosystems balanced,

healthy, and strong.

During the dry seasons,

elephants use their tusks

to dig for water

providing some

much-needed relief

for other animals.

When they eat, they also create

gaps in the forest vegetation

creating space

for new plants to grow.

Squirrels act

as nature's gardeners,

collecting acorns and nuts

from a variety of trees

and plants

and then burying them.

The squirrel often forgets

where she's hidden

her provisions,

which essentially

sows the seeds

for new trees

and new plants to grow.

But in Australia

there's a species of bird

that makes its mark

by intentionally

controlling the environment,

in a way that was previously

thought only humans could.

Australia's Northern Territory.

Ancient and vast.

Famous for its outback

desert landscapes,

this spectacular region hosts

a variety of notable species.

But this stunning landscape

and those who live here

are constantly under threat.

This is one of the most

fire prone places on Earth.

In the summer,

soaring temperatures

will leave the land tinder dry,

which means that

wildfires are extremely common.

Narrator:

Some begin accidentally,

but many are set intentionally

by people managing the land.

Either way, these bushfires

can rip through habitats,

forcing many animals to flee.

[Chirping]

But not

the Australian black kite.

It flies safely

above the flames

with a well-earned reputation

as a clever

and fearless predator.

It's just riding the heat

that is rising up.

There's thermal winds

just there,

and then you see the tail

shifting at different angles,

allowing it to change

direction really quickly.

He's not flapping his wings.

Narrator: Like hungry patrons

waiting eagerly

for their favourite

restaurant to open,

they form huge flocks,

some containing

thousands of birds.

And they circle

above the scorched landscape

[Squawking]

swooping down

to feast on lizards,

grasshoppers,

and other small insects

that are trying to escape

the smoke and flames.

Nadeem: It's an ingenious

hunting strategy.

These birds know that the fire

will flush out loads of animals,

lots of which

will be prey for them.

So they have immediate

and almost exclusive

hunting access.

They don't seem to mind

the smoke or the intense heat.

And it's probably

why these birds

have earned themselves

the nickname "Firehawks."

Narrator: But the great

firehawks of the outback

have taken this practice

one step further.

They don't just wait

for a fire to start naturally,

they've been seen

lighting a fire intentionally.

They pick up a flaming twig

in their talons or beak,

and once they reach

their desired destination,

usually an area

untouched by bushfires,

they drop it,

and a fresh fire starts.

Making the black kite

an avian pyromaniac of sorts.

Recently an ornithologist

gathered eyewitness accounts

of these birds

starting fires in Australia.

But this is something that

indigenous people,

the First Nation people,

have known about

for 40,000 years.

[Chirping]

Narrator: As flames

sweep across the outback,

the black kites will wait

in the treetops.

And then swoop down

on the hapless creatures below.

What follows

is a feeding frenzy.

[Frenzied squawking]

Gillian: These black kites

are the only other species

apart from humans,

that are able to use fire

for their own benefit.

Now, this is

absolutely mind-blowing,

because we have always

thought of ourselves

as being unique

in the entire living world,

as being a species

that could use and control fire.

And here they are, these birds,

out in the open

using fire just as well.

Narrator:

The Australian black kite.

Thriving in a desert landscape

too extreme

for many other birds.

They have perfected

their use of fire,

harnessing the flames

for their own personal gain.

Which makes them

an animal a lot like us.

Not far

from the Northern Territory,

there's another

super smart bird

that's become famous

for its own brand

of "environmental engineering."

One that fashions a tool

to keep a steady beat,

and impress a mate.

Say g'day to the palm c*ck.

An extraordinary-looking

bird

found in

the tropical rainforests

of Northeastern Queensland.

The palm c*ck

is an amazing bird.

It's the largest c*ck

in the world

and it's also

one of the smartest birds

with a brain-to-body ratio

like that of a great ape.

Narrator: The males put

their big brains to good use.

One way is by staging elaborate

courtship displays

to find a mate.

That involves making a tool,

an instrument of sorts

to impress the ladies.

The male palm c*ck

has taken courtship

to a whole new level.

While most birds

will sing a song

or do a dance

to attract a mate,

the male palm c*ck

sets itself apart

by making

and playing an instrument.

Narrator: That's right.

During mating season,

males up their game

and turn into musical maestros.

Using their enormous beaks,

they break off a stick

from a tree,

whittle it down,

and strip off the bark,

and then fashion it

into a short drumstick.

Clutched in their left foot

[Tapping]

they bang the stick on

the side of a hollow tree,

using it like a drum.

[Tapping]

They fashion the tool

to amplify sound

and use that

to beat in a regular rhythm.

70% of the males

that were observed drumming

did so when

a female was present.

Narrator:

Palm c*ck are monogamous.

They also breed

at a very slow rate.

Females lay one egg

every two years

in a tree hollow.

So males rely heavily on

their drumming prowess

to stand out

from the crowd.

Each drumbeat

is so unique,

that males

can be identified

by the sounds

that they make.

While some are slow and steady,

others are fast and variable.

Narrator: They can even

space out the beats and taps

creating a unique song

just like a human drummer

would.

If the male is delivering

an effective performance,

the female will come over

and mirror his movements.

The birds sway together

and gently preen

each other's feathers,

an act of pair-bonding

which prepares them

for breeding.

Narrator: Occasionally,

the c*ck drummer

mixes in a whistle

or another catchy sound

from an impressive repertoire

of around 20 calls.

[c*ck calling]

The palm c*ck

is the only species,

other than humans,

to use tools in such a way

to make music,

and is not seen everywhere.

Palm c*ck are present

in Papua New Guinea

and Indonesia.

But it is only

the Australian population

that uses music in this way.

So this probably means

it was passed down

from dad to son.

Narrator: Palm c*ck

don't just look the part

with their outlandish crests

and bad boy black plumage.

When it comes to tool use,

these guys really are

the rock 'n' roll stars

of the bird world.

Just like us, most animals need

a place to call home.

Somewhere that offers them

safety and shelter

from the elements.

It could be a nest, a den,

a cave,

or even an underground burrow.

But no species lives

rent free.

Whether it's helping

to keep the place tidy,

find food,

or fight off predators,

there's always a cost

to living in nice digs.

Particularly in one of Earth's

most hostile environments.

Namibia's Kalahari Desert.

This vast area of arid land

stretching across

Southern Africa

is 900,000 square kilometres

of sand, salt flats, and scrub.

Temperatures can reach

above 115 F in summer

and plunge below freezing

in winter.

This harsh environment

is too extreme

for most species.

Narrator: But not for meerkats.

By sticking together

and looking out for each other,

they manage to thrive.

Even in this

hostile environment.

Everyone loves meerkats.

I mean, what's not to love?

They are really

adorable creatures.

They're either standing up

very charismatically

on their hind legs,

or they're snuggling together.

And all of these

very adorable behaviours

are because

they're social creatures.

Narrator: A meerkat mob

can be made up

of several families

and is matrilineal.

That means, here,

the alpha female is large

and in charge,

and calls the shots.

And for the most part,

all the other

meerkats cooperate.

Taking on different roles,

or duties,

depending on

what the situation calls for.

While the rest of the group

is foraging for food

or digging tunnels,

some will always stay

on sentry duty

watching for threats.

Their survival depends on

their ability to adapt

to any situation.

Narrator:

One situation they routinely

need to adjust to

is the arrival

of a new generation

of meerkat pups.

Because around here,

taking care

of the matriarch's offspring

is a communal job.

In meerkat society,

the dominant female

has most of the pups.

Studies have shown

that she can be responsible

for up to 80% of the pups

born in a mob in a single year.

Narrator: All the other

meerkats in the mob

will help raise her pups,

whether they're

directly related or not.

Around here,

it really does

"Take a village

to raise a child."

A meerkat village, of course.

It's another example

of cooperative rearing

in the animal kingdom.

Where other

socially subordinate females,

instead of raising

their own pups,

work to ensure the survival

of the matriarch's pups.

It's like having

a whole team of nannies.

Nursing another

female's offspring,

known as "allonursing,"

is a serious physical drain,

but the subordinate meerkat

has no other choice

but to do as she's told.

Narrator: The matriarch

rules her group

with an iron paw.

Like a nightmare landlady

she decides who stays

and who goes.

Oftentimes,

it's an unrelated female,

but even family members

that get on her bad side

can also get the heave h*.

The females

that stay in the mob

are more likely to be

related to the dominant female

and share her genes.

Dan: The dominant female

controls the breeding

of other females,

her subordinates,

whether they're her sisters,

or her daughters.

And if her children are allowed

to stay in the group,

they don't get

to stay rent free.

They have to pay to stay.

Narrator: It's almost

like paying the rent.

And we all know what happens

when you don't pay the rent.

Eventually, you get evicted.

Why would you spend

your whole life

helping others breed?

Studies have shown

female meerkats that leave

are almost never seen again.

So clearly,

it's important for survival

to stay together.

Narrator: Subordinates

are also expected

to babysit the leader's pups.

She can have as many

as eight babies at one time,

and can have several litters

in just one year.

At least one female

will stay in the burrow all day

to look after the young,

sacrificing her own

foraging time.

Even if they do go out hunting,

the meerkats have to give up

almost half of what they find

to the pups

of the dominant female.

A lot of what

they find, therefore,

is given up as rental payment.

It's like they have to pay up

or leave.

Narrator: Having so much help

allows the matriarch

to focus on breeding.

But some meerkat tenants

refuse to do the chores

or fulfill their obligations.

So, they're sent packing.

[Aggressive squealing]

Sometimes by force.

For these ousted meerkats,

life can be tough

and very short.

In the wild,

a solitary meerkat is rare

and usually

a short-lived phenomenon.

Survival rates for

evicted individuals is very low.

Living in

a co-operative community

is the key to staying alive.

So, the good news in this story

is eviction doesn't have to be

permanent in meerkats.

They can get back into

the "landlady's" good books

if they show

that they can be compliant.

And do what they're told.

Narrator: On return,

they present a subordinate

grovelling behaviour,

an apology of sorts.

They try to appease

the dominant female,

taking any job

this uncompromising landlady

gives them,

hoping to be accepted

back into her home.

This form of society

is so successful,

it allows a dominant female

to raise up to 20 pups per year.

It also allows groups

to defend territories

and keep going

against rival groups.

So in the society,

it is a constant trade off

between leaving the mob,

leaving the group,

and having your own young,

or staying together

in relative safety.

It's a really harsh reality,

because for some meerkats,

it means the only chance

of being able to

have your own offspring,

is if your dominant female

is k*lled by a predator.

That's pretty brutal.

Narrator: They may be cute,

and quirky,

but to survive out here

meerkats have to be

made of sterner stuff,

and need to be able

to make tough decisions.

Even renegades

and mavericks eventually learn

that there is a price to pay

if they want to be protected

within the mob.

The animal kingdom,

to the untrained eye,

it can either look brutal,

or just cute and cuddly.

But if you look

a little closer,

you'll discover

something incredible.

That these wild animals

share so many

similar traits with us,

from complex languages

and the quest for love

to adept parenting skills,

and even trademark

teenage tantrums.

There is so much more

to these animals' lives

than first meets the eye.

Knowing they're a lot like us,

means we'll never see them

quite the same way again.