Madagascar (2011): Season 1, Episode 3 - Land of Heat and Dust - full transcript

A monsoon storm on the coast of
an island in the Indian Ocean.

But this is not a
normal tropical island.

This is Madagascar.

Once joined to Africa, Madagascar has
been isolated for millions of years,

and it has evolved a set of
wildlife all its own.

More than 80% of it
is found nowhere else on earth.

This strange island is split in two by
a line of mountains running its length.

The eastern slopes are drenched
with rain and cloaked in jungle.

But cross these mountains into the
western side, and you are in another world.

To live here, you need to cope with a
landscape that is bone dry for most of the year.

A land where rain is fleeting
and quite unpredictable.



And yet Madagascar's arid lands
are full of life.

Everything that lives here has its own fight for
survival and resources as the seasons swing by.

In this eccentric land, some of the strategies
wildlife has developed are quite extraordinary.

Madagascar is a vast island.

A thousand miles from north to south, it is so big
it has the variations in climate of a continent.

The mountainous spine down its length
is a barrier to rain.

The land to the west
is in a rain shadow.

And the further south you go,
the drier it gets.

This is a journey through
Madagascar's most challenging season,

the great drought that grips the south and west of
the island for more than nine months of every year.

To survive these months, you
need to be tough and ingenious.

And Madagascar's wildlife
is certainly both.

Rising up from the southern flatlands is
a strange, Grand Canyon-like landscape...

a great plateau of sandstone beaten
down by millions of years of erosion.



It's August. Deep inland,
far from the sea, it's searingly hot.

And it hasn't rained for months.

But it's not entirely dry here.

In deep, dark canyons
there are slashes of green.

These lush forests are leafy all year,
thanks to a constant source of water.

The very depth of the canyon shades it
from the sun and keeps it permanently moist.

It's a rare oasis in an otherwise parched
land, and it's a great attraction for wildlife.

A dragonfly
patrols a patch of stream.

He's jealously guarding
his precious territory,

pushing out male rivals while he
waits for the females to visit.

And in this fortunate place lives a
small family of lemurs Verreaux's sifakas.

They spent the chilly night in high
rocky caverns, safe from predators.

At dawn, they move down into the canyon,
stopping to warm up in the first rays of the sun.

And there's
another member of the family.

A daughter,
just a couple of weeks old.

She has been able to grip her mother's fur
unaided since she was born, and just as well...

.. because her mother crosses the canyon with vast
leaps, as much as nine metres in a single bound.

There is no shortage of food
here for these vegetarian lemurs.

But for now, the baby
is totally reliant on milk.

It will be another six months
before she's completely independent.

Like all lemurs, sifakas are primates,
and their social bonds are strong.

She will stay with her family in this
vast canyon for the rest of her life.

These lush canyons
are a rare leafy oasis.

The further south you go,
the drier it gets.

There are rivers here in the deep
south, but they are highly seasonal.

As the dry season takes hold,
they run flat and broad...

ankle-deep streams on a bed of sand.

But the rivers carry just enough water and
nutrients for ribbons of forest to grow.

And the masters of these
river forests are these.

Ringtailed lemurs.

In gangs of 15 strong,
they have the run of the place.

And it's the females
who are in charge.

With the burden of raising young,
they must have access to the best food.

These lemurs are protective of
their patch.

Scent marking makes it clear to
other gangs where the border lies.

As a group, they need to keep
hold of their home territory.

LEMURS WAIL AND SCREECH

Intruders are seen off promptly.

Green as this river forest looks, at
this time of year there is only

just enough food to go round, and
these females all have babies to feed.

They all gave birth at
around the same time.

By the time the rains return,
the forest will be full of fruit,

and that is just when the babies will
be old enough to feed for themselves.

It's a crucial adaptation to suit a
place so driven by seasonal change.

Motherhood is taking its toll...

they are thin,
and their fur is less than sleek.

But the dry season
will eventually pass

and at least their forest is green
all year.

Further to the west is a swathe of
forest that is much more demanding.

It swings dramatically
between wetness and desiccation.

For most of the year,
it is cracklingly dry.

The most distinctive trees of these
western dry forests are the Baobabs.

Their trunks are huge and bulbous,
the better to store water.

They live for hundreds of years.

A tree like this
will have seen many dry seasons pass.

It's now October, the height of the dry season, and
it will be months before any significant rain falls.

For everything that lives here,
it's a test of endurance.

Water is in short supply,

just a few little temporary pools
dotted between the trees.

Everything must come here to drink.

And that's risky. Their predators
will know where they are.

Brown lemurs creep timidly
around the waterhole.

With very little fresh greenery to eat, they must
drink every day or risk death from dehydration.

But every step on the carpet of dry
leaves could reveal their presence.

At this time of year,
they have babies too.

They're an easy target.

But this hawk is only after water,

a drink and a bathe.

In such tough times, there are battles for
territory in the most unexpected places.

As night falls in the Baobab forest,
an extraordinary crowd emerges.

They are baby flatid bugs.

By day they are barely visible, but at night
they swarm over the trees and start to feed.

They drink sap, and each settles
itself into a spot on the branch.

But even at this miniature level,
there's a battle for resources,

and here and there
fist-fights break out.

This curious spat has
never been observed before.

For the most part,
however, they feed quietly.

And as they feed, they excrete
unwanted liquid, called honeydew.

It coats the
branches and remaining leaves.

And this is very attractive to other
insects that are out and about at night.

And that, in turn,
provides a feast for mouse lemurs.

At around 60 grams, mouse lemurs
are the world's smallest primates.

These are all males.

The females are fast asleep in tree
holes, and have been for months.

They can sleep right through the dry season,
and they'll only emerge when the rains come.

It's a way of saving energy.

So for now,
the males are on their own,

feeding on anything that will take
them through the lean times,

and waiting for the day
that the females awake.

But of all Madagascar's southern habitats,
none seems more challenging than this.

This is the far south of the island,
where there is little standing water.

Rain is rare,
and some years doesn't fall at all.

The sandy, porous rock
drains quickly.

The forest that grows here
is one of the strangest on earth.

It's called the spiny forest,
for good reason.

There is nothing like
it anywhere else in the world.

The plants are viciously spiny...

the spines collecting what little water there is
in the air, and draining it back to the tree itself.

These plants are seriously odd...

with twisted, sprawling branches,
these are octopus trees.

And euphorbias,
looking like strings of sausages.

They barely even
bother with leaves...

they photosynthesise
through the green of their stems.

These are among the world's
toughest plants.

It would seem there is
nothing edible here...

what leaves there are are small,
the better to avoid water loss,

and tucked down among the spines.

This place looks totally hostile.

But here too
live ghostly little lemurs.

Verreaux's sifakas are among
the hardiest of all the lemurs.

And they are quite at home here too.

They are perfectly adapted to this desiccated
place, because they can go without drinking at all.

They get all the moisture they need
from these unappetising looking leaves,

which they pick
from between the spines.

They even relish the euphorbia fruit, apparently not
bothered by the fact that these trees are dripping with

chemicals so strong
they'd burn your skin.

And they too have babies,

born at what looks like the
very worst time of the year.

Life here seems generally
much more challenging.

Not only is there little to eat,
these sifakas have to cope with

jumping between thorns
that would go through your fingers.

It's hardly surprising that only half
of sifaka babies make it to adulthood.

Within just a few months,
these babies will have to

take the plunge and learn
how to jump all by themselves.

For now, they cling to their mother
and discover what's edible.

Back in the central canyon lands, the weeks
pass. It's November, and there is still no rain.

There hasn't been for eight months.

The grassy plains are dry, but inside the
canyon, thanks to the constantly flowing spring,

it is still almost ludicrously
luxuriant and full of life.

Ringtails, the most
adaptable of all lemurs,

have found a home here too.

They are the most widespread of lemurs, and
they live all over the south of the island.

And here they seem to
have found a life of ease.

They are able to take advantage of a
range of food as it becomes available.

They'll eat leaves,
flowers and even insects.

In an unpredictable place like
Madagascar, that has helped them to thrive.

The babies are growing up.

Born at roughly the same time, every ringtail
baby in the south is now about two months old.

And this young male is starting to find
his way around this bountiful place.

But it will be a while before he's
totally competent as a climber.

He won't even be fully weaned
for another three months.

Although there is moisture in the leaves they eat, the
ringtails can't go more than a day without drinking.

But finding water
is not difficult here.

The stream never runs dry.

Outside the canyon,
however, the grass is tinder dry.

Fire has been a factor
here for millions of years.

The grass burns rapidly,
and the fire spreads quickly.

These spots of flame and smoke
flush insects from the grass,

so they are a huge attraction
for kites and kestrels.

Back in the Baobab forest in the far
west, it seems as parched as ever.

But now, in late November, there are
signs that things are about to change.

The Baobabs' scrappy branches suddenly begin
to put out a first flush of green leaves.

They are drawing on the precious water
they've stored in their fat trunks.

There will soon be rain here, and
the Baobabs sense that it's coming.

There is a scent of rain in the air.

Other life is beginning to stir.

This little chameleon
has not long hatched

but already it's in a race.

And it has one of the strangest strategies
of all for dealing with the extreme dryness.

They are Labord's chameleons, and they
only live in this part of the island.

This little male
already has a voracious appetite...

although this spider
may be beyond him.

These strange little chameleons have the shortest
lifecycle of any land vertebrate in the world.

They spent the last nine months
underground, inside an egg,

and now they have just eight
weeks to grow to adult size.

They will have to grow more than a
centimetre a week.

There is no time to waste.

Conditions are so tough that
living fast is the best strategy.

By the time the rains begin,
his life will be almost over.

In fact the rains
have already started...

only a splash,
but a sign of a deluge to come.

For now,
it's barely enough to wet the ground,

but it's enough to bring the mouse
lemur females out of hibernation.

And the males are getting
themselves ready for them.

They only have one chance to mate
during the entire year.

Tonight's the night,
and they can hardly wait.

It's understandably competitive,

these two males are fighting
outside a female's tree.

One of the males
tries his luck with her.

A swift left hook
seems to make her feelings clear.

But he persists.

And she finally allows him in.

The first splash of rain seems to trigger
a race for everything in the Baobab forest.

In this opportunistic place
you have to move fast.

The rain is a cue for another event that
only happens on one night in the year.

The forest floor is alive
with little brown frogs.

They have been living
quietly in the forest all year.

But when dawn breaks at the waterhole after one rainy
night, an astonishing transformation has happened.

While the females have stayed brown,
all the males have turned bright yellow.

The reason is not certain,
but it might be so that the males

and females can tell each other apart
in the mass mating frenzy that follows.

They are taking advantage of the fact that the
waterhole has filled just enough to lay their eggs,

but the rain is not yet strong
enough to wash the eggs away.

It's a very narrow window
of opportunity.

And after just a few hours, the males will all turn
brown again and they'll all return to the forest.

They won't be back to this waterhole
again until this time next year.

Although a drizzle of rain has prompted
the Baobab forest to start to green,

the lean times are not over.

Everywhere in the forest, animals are
finding their own particular ways to survive.

Life is so challenging
here that one bird

has resorted to an extraordinary
subterfuge to see her through.

She's a vasa parrot, another
Madagascar speciality.

Inside her nest hole, this odd-looking
parrot is raising a clutch of chicks.

But she is highly promiscuous, and the
chicks may have a number of different fathers.

And she uses this fact to
her advantage.

Choosing a high perch, she belts out
her song across the Baobab forest.

PARROT SQUAWKS

She looks somewhat scruffy.

During the breeding season, her normally glossy black
head feathers fall out, and her head turns orange.

But she can certainly
draw in the males.

None of the males know who
is the father of her chicks.

But as she's mated with them all, they
all bring her food in answer to her call.

The feeding sessions are interspersed with gentle little
head sways that seem to confirm their relationship.

Each male feeds her, each perhaps believing
that he's the father of her offspring.

Finally, she returns to feed her chicks, having
gathered food with very little effort on her own part.

An elegant solution
to difficult times.

By December in the southern river
forest, the river is at its lowest ebb.

Oddly, it appears to
be raining here,

but it's not rain at all.

The trees are full of
large insects, cicadas,

recently hatched and feeding on sap.

As they feed,
they squirt out honeydew.

And for the river forest ringtails, always
on the lookout for something new to eat,

there's a feast to be had.

But there's a problem -
the cicadas are quite hard to catch.

Cicadas are
a valuable source of protein,

but it's a lot of effort.

And there is a much easier
way to get hold of them.

A giant wasp,
the size of a small bird.

She is a specialist
in catching cicadas.

She stings one, to paralyse it, and
drags it to her underground cache.

So all the ringtail has to do is to
watch where the wasp leaves one.

The river forest ringtails are
nothing if not opportunistic.

It's an adaptability that sees them through
the worst of the southern dry season.

Eventually, these rivers will fill.

The brief wet season is on its way.

It's February, the hottest time of
year. And there's a change coming.

It's the monsoon season in Madagascar, and heavy
rainstorms move down the island from the north.

Thunderclouds begin to bubble up.

At last, after ten months of dryness, a
deluge hits the Baobab forests of the west.

THUNDER

Trees that looked lifeless
are now revived and green.

And there has been another
transformation.

The little Labord's chameleons
have grown enormously.

This male is now five times bigger,
and in full breeding colours

and this female has become a
real beauty.

The male
touches the branch with his tongue.

He can taste
that she's been that way.

But before he can get to her,
he has to fight off a rival male.

They're all racing against time.
CHAMELEON HISSES

Their lives are so brief that
they only have one chance to mate.

He approaches her,
but she seems less than keen.

It may be that she's already mated,
and is already pregnant.

He might be too late.

She couldn't afford to waste time.

As soon as she's laid her eggs, she'll die,
and all the males will be dead soon after.

Their lives are lived only
in the brief wet season.

The violence of their short lives
hastens their end.

Living fast, and dying young.

It's a radical strategy for a place where
resources are low for most of the year.

This is the richest time of
year in the Baobab forest.

In the trees above, as night
falls, the Baobabs bloom...

peculiar giant scented flowers
that open in minutes.

For the adaptable mouse lemurs,
the flowers are irresistible.

The nectar is a treat. But it also
brings in moths. A double feast.

The good times are back.

This is the most dramatic change
in all Madagascar's landscapes.

But the rainy season will last only a
few more weeks,

and desiccation will
soon return to these Baobab forests.

But in the far south, the river
forest has stayed green all year.

The river has been its lifeblood
in an arid landscape.

Fed by fleeting rainfall, it has briefly
filled, and the forest is at its richest.

The ringtails are well-fed,
and in peak condition.

It's now April, and the
babies have become independent.

One or two may still try to hang on, but
the breeding season has started again.

It will only last for just a week or two, and each
individual female will be fertile for just a few hours.

That means that things
are going to get intense.

Border disputes among
groups are common.

They are usually settled by a totally
unique way of fighting. With smell.

The males rub the glands of their wrists
on their tails and waft them at rivals...

and that's usually
enough to send them off.

But at this time of the year,
things get more competitive.

The males also wave their
perfume at females,

hoping to persuade them to mate.

The most powerful males will usually
be the ones to mate with the females.

But she is totally in charge, and has no
hesitation in seeing him off if she's not ready.

If she approves of him, she retreats little by little
into the bushes, out of the way of other male attention.

By the shifty look of these two, this
female is mating with a male of lesser rank.

The mating season is so short,
it becomes a bit of a free for all.

The cycle is complete.

Further south, by April,

the fleeting rain has finally
come to the spiny forest.

The difference is striking. This
strange, tangled forest has turned green.

But it's still as spiny.

The sifaka infants have
survived their first dry season.

The little scraps of white fur
are seven months old.

And now there is plenty to eat.

But even now, the season is turning.

The greenery won't last long, and the
females are already pregnant again.

In four months
new babies will be born.

The youngsters are now independent, and
must move around the forest by themselves.

Which they do, among the vicious spines, with wild
abandon and without any apparent difficulties at all.

How they can do this without injuring
themselves remains a mystery.

But then, much of Madagascar's
wildlife is still not fully understood.

Lemurs leaping through
a forest of spines.

Nowhere else, outside this one patch in the
south of the island, can such a thing be seen.

But then, most of Madagascar's wildlife
exists nowhere else in the world.

The entire island is a hotspot
of biological diversity,

a treasure house of natural riches that
is one of the most significant on earth.

Each species has adapted in its own way
to the extremes of climate and landscape.

But many of them are under threat,

from loss of habitat,
from climate change, from hunting.

They're the same perils that face
so much of the world's wildlife.

But here
they are especially poignant.

Madagascar is an unrepeatable
experiment, a set of unique animals

and plants evolving in isolation
for over 60 million years.

We are still trying to unravel
its mysteries.

How tragic it would be if we lost
it before we even understood it.

Of all the strange and secretive
creatures there are in Madagascar,

there is one that was the
biggest challenge of all to film.

It lives in the most remote forests,
it's nocturnal, and it's very rare.

There's something in there.

It's also dangerous.

It's the fossa.

The team travelled to the dry western
forest, which is the fossa's stronghold.

Even the people living right at the edge
of the forest won't venture in at night.

TRANSLATED

The fossa is Madagascar's
most fearsome predator.

Even the team's guide,
Jean, isn't too keen.

I'm scared of fossa even
though I'm a guide here,

since the fossa is very strong,
and it may attack people.

But the team were not to be put off.

They were joined by
scientist Mia-Lana Luers.

She has been studying the
fossa for three years,

but even she doesn't
know a great deal.

They usually have a secretive life
and it is difficult to observe them

especially because they are
mostly solitary.

But Mia has a plan. She explains to
director Emma Napper

that she has already fitted some
of the fossa with radio collars.

Although they can't pinpoint an
individual fossa,

in the mating season the collars can
reveal where they are gathering,

around big trees
where males court females.

Jean goes in search of a
likely courtship tree.

To look for the tree where the fossa
mate in this place, it's... it's hard,

but we'll work together.

Using Mia's data,
the team head for a likely spot.

Jean finds signs that fossa may have
been using this tree for courting.

So now the team must go
into the forest at night.

They carefully light the courting
tree with infra-red lights,

visible to a camera,
but invisible to the naked eye.

It means the team are
working in the pitch dark.

At night, the forest comes alive.

For hours, the team listen and wait.

Cameraman Kevin Flay heads deeper
into the forest.

The thing is,
it's really really black.

So you are just relying on
your hearing all the time.

It's pretty unnerving because you
just don't know where they are.

Just occasionally you might hear a
twig break or some rustling leaves.

These people who live in villages
and they don't have torchlight,

and they, they just hear this thing
coming into their village, it must be,

you know, it must be
pretty frightening.

I can definitely hear
something moving out there.

Then Mia hears a distant call.

WAILING AND SCREECHING

And then suddenly the lights go out!

Next morning,
the team find the cause.

The lighting cable has big
teeth marks in it.

We found that the wire was broken.
That was eaten by the fossa.

It was amazing!

And that's not all!

The fossa tried to steal
something from this bag.

See, the fossa you know, the fossa is
really clever and she eats anything, even...

even your shoes!

In the dry season with little to eat, it
seems that fossa will have a go at anything.

The following night,
it's back into the forest.

For several hours, there is nothing.

But then those eerie sounds
begin again.

And suddenly, out of the darkness,

they're right there.

At last, the team get their first good
look at these extraordinary animals.

Through the camera
they are transformed.

Elegant, relaxed, and totally at home
in the pitch black forest.

These are two males.

And they seem in no hurry to leave.

And then Jean finds the reason why.

Up in the tree there is a female.

One of the males climbs the
tree to try his luck with her.

Eventually, they start to mate.

And they continue their liaison
until dawn.

It's a rare chance for Kevin to
capture shots of the fossa by day.

Other males start to gather
around the mating tree...

it's an astonishing sight.

Thanks to the night filming, Mia has
learnt a little more about their behaviour.

But she's concerned.

Her data shows that this huge forest

may only have ten females left in it,
and that's not nearly enough.

This beautiful and enigmatic creature may be critically
endangered, and yet we still know so little about it.

As with so much of Madagascar's wildlife,
the challenge will be to discover more

before it's too late.

In the next episode,
I'm on a very personal journey.

50 years ago, when I was filming in Madagascar,
I acquired the egg of a giant extinct bird.

Now I'm trying to discover what
that bird's extinction might reveal

about the fate of Madagascar's
Precious wildlife today.

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