All language subtitles for Walking with Dinosaurs s01e01 New Blood.eng

Imagine you could travel back
in time - to a time long before man

Back across 65 million years

You would see huge changes
in the vegetation and the climate

Even the surface of the Earth itself
would move

as mountain ranges are pushed up
by colliding continents

You've reached a period in Earth's
history known as the Cretaceous

It is a very different world

The Himalayas do not yet exist and
the Atlantic is only half as wide

There is no grass, only
conifer forests and fern prairies

This is a world ruled by dinosaurs

(Fierce roar)

Giant reptiles like Tyrannosaurus,
a five-tonne predator,

stalk the land

In Walking With Dinosaurs,

we will show you how
these magnificent creatures live -

how they eat, fight and reproduce

You will witness
how the forces of nature

conspire to drive these animals
to extinction

But this series will also
take you back much further

To the Jurassic period -
when life on Earth

was at its most spectacular

(Low grumbling roar)

The creatures here
bathe in a warm tropical climate -

there are no icecaps at the poles

Flowers and broad-leaved trees
are yet to evolve

In the air and on the land,
the world is dominated by reptiles,

and by far the most common
are the dinosaurs

But they are not the only giants

Huge pterosaurs rule the skies
and, below them,

massive marine reptiles
harvest the rich oceans

However, first, this series
will go back even further,

to discover where
dinosaurs came from

This is our own Earth
during the Triassic period

There are no separate continents,

just one landmass called Pangaea

It is a harsh place
dominated by deserts

The Triassic has already seen

many different varieties
of ancient reptiles come and go

But now, out of this dry wilderness,

has appeared something
revolutionary

A family of reptiles destined
to shape the course of life on Earth

for the next 160 million years

These are the first dinosaurs

and this is where our story begins

First light across the western hills

of Earth's only continent, Pangaea

This world has been ruled

by one group of giant reptiles
for over 50 million years

But these ancient creatures
have had their day

All over these lush fern prairies,

an evolutionary battle has broken
out among the newer types of reptile

for supremacy of this strange world

On these Triassic proving grounds,
dinosaurs are still rare,

but they are beginning to show signs
of their future success

(Small growl)

It is the end of the wet season
and the local river is full

But it will not remain this lush,

and ahead lies nine months
with no rain

One type of reptile
has evolved to thrive in drought

Dinosaurs like this Coelophysis
can survive on very little water

She is also light-boned, fast,
and she is beautifully adapted

for killing

Dinosaurs appeared
around 10 million years before,

as small predators

What makes them unique
is special hips and ankles

that allow them to stand
perfectly balanced on two legs

With lightning-fast reactions,
they are built to survive

(Loud roar)

(Trumpeting calls)

A chorus of calls signals the
arrival of a huge herd of Placerias

They are making their way down from
the ferns for their morning drink

These impressive one-tonne beasts
are not related to dinosaurs

They are a much more ancient
type of reptile

Once there were many different kinds
of these powerful creatures,

but now the Placerias are the only
ones of their kind that remain

They are an endangered species

Despite their fearsome appearance,
they are actually gentle herbivores

Their tusks are used
for digging up roots

(Angry growling)

But on two angry males,
these tusks can make lethal weapons

For the swift Coelophysis,
Placerias are prey

This young female
targets the old and weak

in the slow-moving herd

(Growling and trumpeting)

One day, the descendants
of dinosaurs like Coelophysis

will take over this world,

but it is their speed and agility

that gives them the edge
in the mid-Triassic

Further downriver is one of
the Triassic's most bizarre animals

The cynodont is a missing link
between reptiles and mammals

As he runs, his backbone moves

from side to side like a reptile's,

but he has hair and lives
down a burrow, like a mammal

Deep inside,
his mate sleeps on a bed of lichen

The bond between cynodonts
is very strong -

they pair for life

Like all land reptiles,
they lay eggs,

but after hatching, the young are
utterly dependent on their parents

and for the first three months,

feed from milk glands on the mother

This form of reproduction
has evolved

to protect their young
from the daylight predators outside

By day, even the father sticks close
to the safety of the burrow

and carries out domestic chores

He only hunts at night

In the not too distant future,

small furry mammals will evolve
from reptiles like these

In the heat of the dry season,

the Placerias herd spreads out
over the scrubland to feed

(Low growling)

Suddenly the warm breeze changes

and there is the scent of fear
in the air

(Vicious growling)

Postosuchus,
a merciless ambush predator -

the largest carnivore on Earth

(Roars)

The terrified Placerias flee,
but they are desperately slow

and one of them is mortally wounded

Their tormentor is
a distant cousin of the dinosaurs,

but unlike them, she is
too front-heavy to run on two legs

Yet the Postosuchus is easily fast
enough to keep pace with the herd

Eventually, a combination
of shock and blood loss

defeats the wounded Placerias

The carnivore's bite
has done its job

The Placerias
is now too weak to fight

and the Postosuchus
has an easy meal

As the weeks of the dry season pass,

only the vegetation
around the river remains lush

and this attracts exotic hunters
like this Peteinosaurus

She is a flying reptile
who has evolved extra-long fingers

to support
her delicate wing membranes

(Rattling call)

The river's resident
flying predators are dragonflies

Insects like these evolved
long before the first reptiles

Over 100 million years ago,

some took to the air
and became aerial killers

But in the Triassic era, these
hunters have become the hunted

A jaw full of needle-sharp teeth

makes short work of the insect

Peteinosaurus have evolved strong,
lightweight bones for flight,

and like the dinosaurs,
they are fast and deadly

Reptiles are becoming
the new masters of the air

In temperatures
of over 40 degrees centigrade,

the Placerias need lots of water

and spend more time at the river

But the herd is nervous

They know
this is a good place for an ambush

The Postosuchus is not hunting

She has recently eaten her fill

and also needs
to come down to the river to drink

Six metres long,
heavily built with an armoured back,

she needs a huge amount of food

and, therefore, has to defend
a very large territory

The only creature on the planet
she fears is another Postosuchus

(Loud, rasping roar)

It is the middle of the dry season,
months since any rain

Across the scrubland,
smaller rivers are drying out

In one, a Peteinosaurus risks
a cooling bath

He constantly checks for danger

The cynodonts lie secure and cool

through the hottest part of the day

But no animal here is truly safe

The female Coelophysis has picked up
the scent of their bedding

Soon she is exploring
the entrance

and she is not alone

(Puppy-like growling)

Clearly these dinosaurs
have not met cynodonts before

Nearby, the Placerias
search for moist roots

beneath the drying ferns

The Postosuchus
once again needs food

But her last attack left her
with a tusk wound on her thigh -

a severe handicap
for such a heavily-built creature

The Placerias herd spots her
before she can set an ambush

and they mount an aggressive
defence

(Angry roaring)

She will get no food here,
and in such a competitive world,

her wound may yet prove fatal

Evening, and in the burrow,

the cynodonts prepare
for a night of hunting

The young are more developed now

and starting to move about the nest,

but they are stillvulnerable

It'll be two months

before they can do without
their parents' protection

The adult male
checks the coast is clear

An inquisitive youngster follows
him to the end of the burrow

(Squealing)

(Cynodont barks)

Too late, the male responds
to his squealing pup

Again, he drives the dinosaurs away,

but this time, they don't go far

Nearby, a thirsty male Postosuchus

has invaded
the wounded female's territory

But this withered
Triassic landscape

cannot support two giant predators
in one dry valley

The female is too weak to fight

After dominating her territory
for a decade,

she is driven from her home

The male uses precious water
to mark his new territory

Meanwhile, the Coelophysis are
starting to dig the cynodonts out

Their situation
is becoming desperate

as the dinosaurs
will soon expose the nest

As the sun sets,
the pair have only one choice

It means shattering
their unique parental bond -

they eat their own young

This denies the dinosaurs
their food

and gives the cynodonts
the chance of escape

Under the moonlight, they seize
the moment and abandon the hole

In the morning,
the Coelophysis are back

They can smell the cynodonts,
and it will take them time

to realise their work is in vain

The dry season continues

After the cynodont hole,

the female Coelophysis has found
something in the parched river bed

It is a lungfish,
and the dinosaur's serrated teeth

will make short work
of its protective cocoon

But she is not left alone
to eat it for long

Coelophysis numbers are increasing,

and this leads to confrontations

(Vicious squealing)

The pressure of numbers also brings
other changes in behaviour

Under the merciless sun,

a flock of Coelophysis
has united for a kill

The wounded female Postosuchus
has lost the use of her back legs

However, her mighty jaws
could still tear a dinosaur apart

The great carnivore's
strength fails

All the Postosuchus's
heavy armour and muscle

are no more than food
for the agile little dinosaurs

Their long snouts and nibbling teeth

can reach under her thick scales

They eat her from the inside out

The rains are late,

and now the real test
for survival begins

As vast areas turn into red desert,

the Placerias are driven to migrate
in search of water

But in this extreme drought,

dinosaurs have a crucial advantage
over other reptiles

When they excrete,
they waste very little water

Nowhere is this advantage more
obvious than by the shrunken river

Coelophysis are gathering
in huge numbers,

and in years of hardship like this,

it is the dinosaurs
that win through

There is little room for other
reptiles, and without prey,

the dinosaurs swiftly
turn on each other

Cannibalism is common

The Triassic is pushing life
to its limits

Night reveals dinosaurs
are not the only animals

that have managed to cling on

The cynodonts have survived
their brush with death

and dug another burrow
hidden in some dried ferns

Once again,
the male is hunting in the darkness

(Growling, animal squeals)

He has caught
the only common prey -

a baby Coelophysis

(Thunder rumbles)

After nine months of drought,

at last the rains have arrived

Soon, the thirsty scrublands
are soaking

In her burrow, the female cynodont
has laid a fresh clutch of eggs

One day in the future, this strategy
of investing in their young

will pay off
for their mammalian descendants

But as mammals evolve
over the next 160 million years,

they'll only survive
as a few small species,

clinging on at the edge
of a world dominated by dinosaurs

Outside,
that future is already arriving

The female Coelophysis
has survived the drought,

along with many of her kind

But they have also been joined
by another type of dinosaur

(Low, rumbling call)

A huge herd of Plateosaurus

has been drawn to the swollen river

It is hard to believe that these
beasts are related to Coelophysis,

but these are
plant-eating dinosaurs

Their size is the key
to their success,

and at four tonnes, they are
simply too big to be threatened

This is the shape of things
to come -

the age of the dinosaurs has dawned

20 million years later,

extinction wiped out
thousands of species of reptile,

but the dinosaurs
went from strength to strength

Carnivores grew to enormous sizes,
but their prey got even bigger

In the next programme,

we meet the giants of the Jurassic

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