Witness a shark competition unlike any other, with shark specialist Dr Riley Elliott as he tries to answer an age-old question: which sex reigns supreme.

Home to sharp climatic and ecological gradients, South Africa's Drakensberg is one of the continent's most impressive landscapes.

In geological terms, humans have only been around for the blink of an eye. However, we've managed to influence the evolutionary path for many animals.

Explore some of Earth's driest terrains and encounter thirsty trees acting as elephant signposts, insect-plant teamwork and natural chemical warfare.

It's graduation day as baby golden-cheeked gibbon Mikado moves in with his new foster mum Alex, full time. Geriatric stumpie Gerald is rushed to the operating theatre.

Two golden-cheeked gibbons rescued and rehabilitated at Dao Tien, Monkey World's sister sanctuary, are to be released into their natural habitat.

Young hyena Mizumu musters all his strength, intelligence and cunning for the biggest challenge of his life - finding a new clan.

A handful of weasels are finally ready for release into the wild, a daring volunteer goes offshore to rescue an injured eagle and a gull flies free.

A fish cleans a shark's pearly white teeth, two giraffes have a cuddle and a monkey shows off his toolbox.

Feel the heat when the pride tries to hunt down adequate food as drought conditions push them dangerously close to death.

Join the Great Migration's incredible circular journey, including its treacherous and drama-filled crossing of the Mara River.

It's graduation day as baby golden-cheeked gibbon Mikado moves in with his new foster mum Alex, full time. Geriatric stumpie Gerald is rushed to the operating theatre.

Two golden-cheeked gibbons rescued and rehabilitated at Dao Tien, Monkey World's sister sanctuary, are to be released into their natural habitat.

Young hyena Mizumu musters all his strength, intelligence and cunning for the biggest challenge of his life - finding a new clan.

A handful of weasels are finally ready for release into the wild, a daring volunteer goes offshore to rescue an injured eagle and a gull flies free.

A fish cleans a shark's pearly white teeth, two giraffes have a cuddle and a monkey shows off his toolbox.

For species that live in packs or pods, the survival of each individual is tied to the success of the group.

Join the Great Migration's incredible circular journey, including its treacherous and drama-filled crossing of the Mara River.

It's graduation day as baby golden-cheeked gibbon Mikado moves in with his new foster mum Alex, full time. Geriatric stumpie Gerald is rushed to the operating theatre.

Two golden-cheeked gibbons rescued and rehabilitated at Dao Tien, Monkey World's sister sanctuary, are to be released into their natural habitat.

Steve Backshall journeys the globe with some of the greatest travellers on the planet.

Sometimes, being deceptive can be the key to getting ahead in the wild. Discover how firebirds, kangaroos and more adopt questionable behaviours in a daring attempt to survive.

Examine some of the oddest Australian animals - including the thorny devil, frogfish, mudskippers and more - and discover how eccentricity can be a superpower in the wild.

Join the Great Migration's incredible circular journey, including its treacherous and drama-filled crossing of the Mara River.

For species that live in packs or pods, the survival of each individual is tied to the success of the group.

Feel the heat when the pride tries to hunt down adequate food as drought conditions push them dangerously close to death.

Explore some of Earth's driest terrains and encounter thirsty trees acting as elephant signposts, insect-plant teamwork and natural chemical warfare.

Steve Backshall journeys the globe with some of the greatest travellers on the planet.

Sometimes, being deceptive can be the key to getting ahead in the wild. Discover how firebirds, kangaroos and more adopt questionable behaviours in a daring attempt to survive.

Examine some of the oddest Australian animals - including the thorny devil, frogfish, mudskippers and more - and discover how eccentricity can be a superpower in the wild.

Young hyena Mizumu musters all his strength, intelligence and cunning for the biggest challenge of his life - finding a new clan.

A handful of weasels are finally ready for release into the wild, a daring volunteer goes offshore to rescue an injured eagle and a gull flies free.

As the dry season brings a band of gladiators to an African savannah watering hole, see a territory brawl and one honey badger's risky dance with a snake.

It's an emotional day when the ugly monkeys recently retired from a research facility in Scotland go outside for the first time in their lives.

The capuchins explore their new home for the first time. Alpha male Hananya's busy showing everyone who's boss whilst baby woolly Diego joins his family in the big enclosure.

Born in Zambia's Luangwa Valley, this litter of wild dogs has a lot to learn if they're to become the crack hunting team the family needs to survive.

Hope's annual open house is more popular than ever. As the whole team scrambles to get ready, an injured bobcat is rushed in for emergency care.

From the oceans and the forest to swamps and deserts, Australia is home to many of the world's most toxic, venomous and dangerous creatures.

Contend with the challenges of the rainy season, which turns everything green and spoils the lions' camouflage.

Jean Du Plessis witnesses the largest mass birth on the planet, before the herd moves north to take on the crocodile-filled waters of the Mara River.

It's an emotional day when the ugly monkeys recently retired from a research facility in Scotland go outside for the first time in their lives.

The capuchins explore their new home for the first time. Alpha male Hananya's busy showing everyone who's boss whilst baby woolly Diego joins his family in the big enclosure.

Born in Zambia's Luangwa Valley, this litter of wild dogs has a lot to learn if they're to become the crack hunting team the family needs to survive.

Hope's annual open house is more popular than ever. As the whole team scrambles to get ready, an injured bobcat is rushed in for emergency care.

From the oceans and the forest to swamps and deserts, Australia is home to many of the world's most toxic, venomous and dangerous creatures.

The fundamental ingredient in the recipe for survival is food. Everything else is an accessory, making the fight for food the most significant.

Jean Du Plessis witnesses the largest mass birth on the planet, before the herd moves north to take on the crocodile-filled waters of the Mara River.

It's an emotional day when the ugly monkeys recently retired from a research facility in Scotland go outside for the first time in their lives.

The capuchins explore their new home for the first time. Alpha male Hananya's busy showing everyone who's boss whilst baby woolly Diego joins his family in the big enclosure.

Follow the stories of the cheetah, the snow leopard and the jaguar, and learn how they survived extinction and evolved into the creatures we know today.

Three stories of one of nature's most iconic species. A calf navigates the Okavango Delta, a bull searches for a mate, and a matriarch leads her family through the desert.

Jean Du Plessis witnesses the largest mass birth on the planet, before the herd moves north to take on the crocodile-filled waters of the Mara River.

The fundamental ingredient in the recipe for survival is food. Everything else is an accessory, making the fight for food the most significant.

Contend with the challenges of the rainy season, which turns everything green and spoils the lions' camouflage.

As the dry season brings a band of gladiators to an African savannah watering hole, see a territory brawl and one honey badger's risky dance with a snake.

Follow the stories of the cheetah, the snow leopard and the jaguar, and learn how they survived extinction and evolved into the creatures we know today.

Three stories of one of nature's most iconic species. A calf navigates the Okavango Delta, a bull searches for a mate, and a matriarch leads her family through the desert.

Born in Zambia's Luangwa Valley, this litter of wild dogs has a lot to learn if they're to become the crack hunting team the family needs to survive.

Hope's annual open house is more popular than ever. As the whole team scrambles to get ready, an injured bobcat is rushed in for emergency care.

Go up against Australia's wiliest gladiators and their arsenals, from a kangaroo's deadly boxing moves to the redback spider's precision-engineered traps.

Young ring-tailed lemur Kaiyah from Ireland has her first taste of life in the trees, Harry's marmosets get a sticky treat and bachelor boy Ben sets his sights high.

Jeremy is on a mission to coax overweight orang-utan Oshine into the great outdoors, but she's hesitant. Baby golden-cheeked gibbon Mikado ventures outside for the first time.

The daughter of an alpha female, hyena Spotty is a princess. But in a savagely competitive family, she must cement her status quickly or lose her rank forever.

Hope tries to make two orphaned bobcats into playmates - with mixed results, 100 patients are ready for release and a rare bird makes a brief visit.

As water flows from Australia's highlands into the seas, environmental changes set the stage for unexpected clashes between predators and their prey.

Say hello to a season of plenty as flood waters recede and vast herds of prey return to the Chobe's banks. Watch Keeza and her cub make a break for it.

Head into the wildlife haven on the edge of the Serengeti. Formed out of a volcanic eruption, it's home to the highest concentration of mammals in the world.

Young ring-tailed lemur Kaiyah from Ireland has her first taste of life in the trees, Harry's marmosets get a sticky treat and bachelor boy Ben sets his sights high.

Jeremy is on a mission to coax overweight orang-utan Oshine into the great outdoors, but she's hesitant. Baby golden-cheeked gibbon Mikado ventures outside for the first time.

The daughter of an alpha female, hyena Spotty is a princess. But in a savagely competitive family, she must cement her status quickly or lose her rank forever.

Hope tries to make two orphaned bobcats into playmates - with mixed results, 100 patients are ready for release and a rare bird makes a brief visit.

As water flows from Australia's highlands into the seas, environmental changes set the stage for unexpected clashes between predators and their prey.

The fight for romance and reproduction stimulate the most striking and diverse behaviours of the animal world, from dancing to battling.

Head into the wildlife haven on the edge of the Serengeti. Formed out of a volcanic eruption, it's home to the highest concentration of mammals in the world.

Young ring-tailed lemur Kaiyah from Ireland has her first taste of life in the trees, Harry's marmosets get a sticky treat and bachelor boy Ben sets his sights high.

Jeremy is on a mission to coax overweight orang-utan Oshine into the great outdoors, but she's hesitant. Baby golden-cheeked gibbon Mikado ventures outside for the first time.

From sandy beaches to colourful coral reefs, Singapore's islands have a host of remarkable creatures, including the tiger tail seahorse and the quick-changing cuttlefish.

The clashing needs of humans and animals are a huge threat to the future of African wildlife. Can Kenya's conservation movement make a difference.

Head into the wildlife haven on the edge of the Serengeti. Formed out of a volcanic eruption, it's home to the highest concentration of mammals in the world.

The fight for romance and reproduction stimulate the most striking and diverse behaviours of the animal world, from dancing to battling.

Say hello to a season of plenty as flood waters recede and vast herds of prey return to the Chobe's banks. Watch Keeza and her cub make a break for it.

Go up against Australia's wiliest gladiators and their arsenals, from a kangaroo's deadly boxing moves to the redback spider's precision-engineered traps.

From sandy beaches to colourful coral reefs, Singapore's islands have a host of remarkable creatures, including the tiger tail seahorse and the quick-changing cuttlefish.

The clashing needs of humans and animals are a huge threat to the future of African wildlife. Can Kenya's conservation movement make a difference.

The daughter of an alpha female, hyena Spotty is a princess. But in a savagely competitive family, she must cement her status quickly or lose her rank forever.

Hope tries to make two orphaned bobcats into playmates - with mixed results, 100 patients are ready for release and a rare bird makes a brief visit.

Young gladiators earn their stripes in dense tropical forests. Stand back as a poison dart frog launches a toxic barrage and observe a jaguar-caiman turf war.

The team are in Lebanon on a rescue mission to pick up chimp Kiki. But they hit problems, and the team have to resort to drastic measures to get her out of her cage.

Chimp Kiki finally arrives at the park after a mammoth journey from the Middle East. There's great excitement at the gibbon house with news of Zoey's new arrival.

In the Mwamba pride, hunting is left to the females as the males lurk in other territories with the intention of taking over other prides.

Hope has more white-tailed deer than any previous year, and rounding them up for release is a bigger challenge than ever before.

Behind the facade of Australia's dramatic scenery lurks a motley crew of silent assassins, con artists, gang members and brutal brawlers.

Off Guadalupe Island, top shark ecologist Mauricio Hoyos attempts a television first as he attaches a camera to the dorsal fin of a great white.

Jean Du Plessis climbs Mount Kilimanjaro on a mission to see whether climate change is affecting snow on the top of Africa's highest free-standing peak.

The team are in Lebanon on a rescue mission to pick up chimp Kiki. But they hit problems, and the team have to resort to drastic measures to get her out of her cage.

Chimp Kiki finally arrives at the park after a mammoth journey from the Middle East. There's great excitement at the gibbon house with news of Zoey's new arrival.

In the Mwamba pride, hunting is left to the females as the males lurk in other territories with the intention of taking over other prides.

Hope has more white-tailed deer than any previous year, and rounding them up for release is a bigger challenge than ever before.

Behind the facade of Australia's dramatic scenery lurks a motley crew of silent assassins, con artists, gang members and brutal brawlers.

Many animals are territorial. They mark, protect and defend their small nations against invasion and their survival often depends on this.

Jean Du Plessis climbs Mount Kilimanjaro on a mission to see whether climate change is affecting snow on the top of Africa's highest free-standing peak.

The team are in Lebanon on a rescue mission to pick up chimp Kiki. But they hit problems, and the team have to resort to drastic measures to get her out of her cage.

Chimp Kiki finally arrives at the park after a mammoth journey from the Middle East. There's great excitement at the gibbon house with news of Zoey's new arrival.

Finding A Family: Mona is a young cotton-top tamarin that lives in the tropical forest. Follow her journey as she leaves her birth family in search of a mate in another troop.

Get a front-row seat to the planet's biggest biomass migration, as billions of sardines migrate along South Africa's east coast, each hoping to escape the jaws of hungry predators.

Jean Du Plessis climbs Mount Kilimanjaro on a mission to see whether climate change is affecting snow on the top of Africa's highest free-standing peak.

Many animals are territorial. They mark, protect and defend their small nations against invasion and their survival often depends on this.

Off Guadalupe Island, top shark ecologist Mauricio Hoyos attempts a television first as he attaches a camera to the dorsal fin of a great white.

Young gladiators earn their stripes in dense tropical forests. Stand back as a poison dart frog launches a toxic barrage and observe a jaguar-caiman turf war.

Finding A Family: Mona is a young cotton-top tamarin that lives in the tropical forest. Follow her journey as she leaves her birth family in search of a mate in another troop.

Get a front-row seat to the planet's biggest biomass migration, as billions of sardines migrate along South Africa's east coast, each hoping to escape the jaws of hungry predators.

In the Mwamba pride, hunting is left to the females as the males lurk in other territories with the intention of taking over other prides.

Hope has more white-tailed deer than any previous year, and rounding them up for release is a bigger challenge than ever before.

Head to America's far north for a peek at its waterway's fighters, as a spring thaw pits eagles against herons and dragonfly nymphs against venomous water bugs.

New arrival Kiki meets her first chimpanzee Patricia after living on her own in a cage in Lebanon for the last eight years.

Animal Director, Jeremy, decides to find out exactly how much weight orang-utan Oshine has lost since she came to the park from South Africa.

Milo's sibling is taken by a predator, so the males leave to find new females. Meanwhile, the animals find themselves threatened.

Injured and orphaned animals keep Hope busy from the first snowfall through to the spring thaw. Valentine's Day brings romance and rescues to the rehab.

In the depths of Australia's oceans lurks a killer crew of creatures. Discover the deadliest of them all.

Travel to part of the Bahamas to unlock shark secrets, including their sociability, their bravery, and where they give birth. The answers may help protect them.

Safari guide Jean Du Plessis heads to Mahale Mountains National Park to get up close and personal with Tanzania's wild chimpanzees.

New arrival Kiki meets her first chimpanzee Patricia after living on her own in a cage in Lebanon for the last eight years.

Animal Director, Jeremy, decides to find out exactly how much weight orang-utan Oshine has lost since she came to the park from South Africa.

Milo's sibling is taken by a predator, so the males leave to find new females. Meanwhile, the animals find themselves threatened.

Injured and orphaned animals keep Hope busy from the first snowfall through to the spring thaw. Valentine's Day brings romance and rescues to the rehab.

In the depths of Australia's oceans lurks a killer crew of creatures. Discover the deadliest of them all.

Many species live in complex and hierarchical societies, and the position of leader within these groups is fiercely coveted by many.

Safari guide Jean Du Plessis heads to Mahale Mountains National Park to get up close and personal with Tanzania's wild chimpanzees.

New arrival Kiki meets her first chimpanzee Patricia after living on her own in a cage in Lebanon for the last eight years.

Animal Director, Jeremy, decides to find out exactly how much weight orang-utan Oshine has lost since she came to the park from South Africa.

Sometimes, being deceptive can be the key to getting ahead in the wild. Discover how firebirds, kangaroos and more adopt questionable behaviours in a daring attempt to survive.

Examine some of the oddest Australian animals - including the thorny devil, frogfish, mudskippers and more - and discover how eccentricity can be a superpower in the wild.

Tasmanian Devils might have infamous reputations, but these spirited scrappers are committed parents and heroic defenders of their pouch-reared young.

Safari guide Jean Du Plessis heads to Mahale Mountains National Park to get up close and personal with Tanzania's wild chimpanzees.

Many species live in complex and hierarchical societies, and the position of leader within these groups is fiercely coveted by many.

Travel to part of the Bahamas to unlock shark secrets, including their sociability, their bravery, and where they give birth. The answers may help protect them.

Head to America's far north for a peek at its waterway's fighters, as a spring thaw pits eagles against herons and dragonfly nymphs against venomous water bugs.

Sometimes, being deceptive can be the key to getting ahead in the wild. Discover how firebirds, kangaroos and more adopt questionable behaviours in a daring attempt to survive.

Examine some of the oddest Australian animals - including the thorny devil, frogfish, mudskippers and more - and discover how eccentricity can be a superpower in the wild.

Tasmanian Devils might have infamous reputations, but these spirited scrappers are committed parents and heroic defenders of their pouch-reared young.

Milo's sibling is taken by a predator, so the males leave to find new females. Meanwhile, the animals find themselves threatened.

Injured and orphaned animals keep Hope busy from the first snowfall through to the spring thaw. Valentine's Day brings romance and rescues to the rehab.

Home to sharp climatic and ecological gradients, South Africa's Drakensberg is one of the continent's most impressive landscapes.

In geological terms, humans have only been around for the blink of an eye. However, we've managed to influence the evolutionary path for many animals.

The Hollywood pride is in serious trouble! Having fled north to escape the Nomads, other lions move in and threaten to take over their territory.

The MK pride faces its toughest moment yet as their matriarch and best hunter Surabi's life hangs in the balance after being gored by a buffalo.

On tiny islands in the tropical Pacific, Komodo dragons fight for leftovers and fiddler crabs joust on the beach. Under the waves, manta rays and walking sharks patrol the deep.

On the first day of spring in Australia, spring fever runs rife as kangaroos box, koalas woo, and a surprisingly fast perentie lizard seeks out its weekly meal.

The inspirational story of family who left the Sydney suburbs to transform a derelict farm and former hunting ranch in South Africa into a sanctuary for local wildlife.

Sometimes, being deceptive can be the key to getting ahead in the wild. Discover how firebirds, kangaroos and more adopt questionable behaviours in a daring attempt to survive.

Examine some of the oddest Australian animals - including the thorny devil, frogfish, mudskippers and more - and discover how eccentricity can be a superpower in the wild.

Head to Indonesia where the toxic air in some regions is 40 times above safety levels. Elsewhere, small volcanoes are so active they erupt every 15 minutes.

Following the devastating Tsunami of 2011, Japan is going through a seismic crisis. Here, get a closer look at two of the country's most dangerous volcanoes.

A look at the lives of those who live on active volcanoes, where there's always the fear their homes will be in the path of the destruction.

Three stories of one of nature's most iconic species. A calf navigates the Okavango Delta, a bull searches for a mate, and a matriarch leads her family through the desert.

Follow great grey owls, kangaroo rats and more as they use sound to hunt and survive.

From melodic songs to strange hums, discover the sounds that gibbons, lyrebirds and more use to find a mate.

Follow baby animals as they learn to communicate to survive, using sound to call for help in their early days.

New & Exclusive. The USA is big on spectacle, and so are it's animals; rams rattle mountaintops, brown bears battle and sharp-tailed grouse shake their tail-feathers.

New & Exclusive. Europe's landscapes are often the backdrop to epic wildlife dramas; red deer go wild during the rut, wolf packs clash over territory, and foxes do the foxtrot.

Embark on a dangerous tagging mission in South Australia, before heading north as a team chases tiger, bull and hammerhead sharks.

The mythology of Mexico's Yucatan Peninsula includes a protective Earth Mother figure named Ixchel. Under her shadow, mother green sea turtles bury their eggs.

Throughout the Hawaiian Islands, natural forces of creation and destruction can be observed in real-time as they work to shape the living beach.

New & Exclusive. The USA is big on spectacle, and so are it's animals; rams rattle mountaintops, brown bears battle and sharp-tailed grouse shake their tail-feathers.

New & Exclusive. Europe's landscapes are often the backdrop to epic wildlife dramas; red deer go wild during the rut, wolf packs clash over territory, and foxes do the foxtrot.

Embark on a dangerous tagging mission in South Australia, before heading north as a team chases tiger, bull and hammerhead sharks.

Walk on the wild side with Sirga the lion, whose human pal, Val, has been by her side since she was an orphaned cub.

Jhalana's leopard kingdom trembles as Prince Rana challenges his father Bahadur, forging a dangerous alliance to seize power by claw and fang.

Despite the huge scale of human encroachment, isolated pockets of land still remain in Kenya, leaving a vital conversation task.

Bees are one of the most important species on the planet. Here, follow the trials and tribulations of two particular honeybees over two years from birth to death.

The humble wombat shares a common ancestor with the koala but is far less well known than its fellow Australian. But how do these elusive creatures live.

For wombats, the mating season is a break from their solitary lives. Despite their timidness, their behaviour here can be amazingly energetic.

As the rainy season kicks off in Madagascar, explore a day in the lives of ring-tailed lemurs and colourful chameleons.

The sun rules everything on this arid peninsula, especially in July. But those who call this desert home - camels, lizards and rock hyraxes - have adapted to beat the heat.

Humans have impressive senses, but we can only see, smell and hear a fraction of what the world has in store. The powers of animals are simply extraordinary.

With CGI and innovative film techniques, see the world as it appears to some amazing creatures across the planet. How do these animals work their magic.

In the final episode, see the amazing world of what animals really see with their extraordinary senses, thanks to remarkable CGI and innovative film techniques.

The mythology of Mexico's Yucatan Peninsula includes a protective Earth Mother figure named Ixchel. Under her shadow, mother green sea turtles bury their eggs.

Throughout the Hawaiian Islands, natural forces of creation and destruction can be observed in real-time as they work to shape the living beach.

The inspirational story of family who left the Sydney suburbs to transform a derelict farm and former hunting ranch in South Africa into a sanctuary for local wildlife.

A charismatic monkey hides in Sri Lanka's jungles - the cheeky toque macaque. But as its contact with humans increases, it's changing in rather unexpected ways.

Walk on the wild side with Sirga the lion, whose human pal, Val, has been by her side since she was an orphaned cub.

Delve into the surprising behaviours of some of Australia's most unlikely romantics, including shingleback lizards, eastern ospreys, brown boobys and even corals.

Many scientists believe curiosity is a key driving force in evolution. Meet some uniquely curious animals, including brushtail possums, parrots, numbats and more.

Jhalana's leopard kingdom trembles as Prince Rana challenges his father Bahadur, forging a dangerous alliance to seize power by claw and fang.

In his eighties, David Attenborough embarked on a seven-year journey. From the stunning Great Barrier Reef to the rainforests of Borneo, follow his voyage across the globe.

In his eighties, David Attenborough embarked on a seven-year journey. From the Great Barrier Reef to the jungles of Borneo, follow his voyage across the globe.

The Rise of Nature. David Attenborough explores the rise of life on our planet, from the explosion of first life on seabeds hundreds of millions of years ago to life today.

Walk on the wild side with Sirga the lion, whose human pal, Val, has been by her side since she was an orphaned cub.

Delve into the surprising behaviours of some of Australia's most unlikely romantics, including shingleback lizards, eastern ospreys, brown boobys and even corals.

Many scientists believe curiosity is a key driving force in evolution. Meet some uniquely curious animals, including brushtail possums, parrots, numbats and more.

Jhalana's leopard kingdom trembles as Prince Rana challenges his father Bahadur, forging a dangerous alliance to seize power by claw and fang.

Head to Indonesia where the toxic air in some regions is 40 times above safety levels. Elsewhere, small volcanoes are so active they erupt every 15 minutes.

Following the devastating Tsunami of 2011, Japan is going through a seismic crisis. Here, get a closer look at two of the country's most dangerous volcanoes.

A look at the lives of those who live on active volcanoes, where there's always the fear their homes will be in the path of the destruction.

Some of the most interesting adaptations in the animal world are completely invisible to the naked eye, yet their effect can be massive.

The question of sight can be one of life or death in the animal world. Discover how some creatures have evolved to see perfectly, while others can be nearly invisible.

At the water's edge, a brave group of male penguins gather to make a dangerous journey. The goal - to find a burrow before the females arrive.

Alison and Jeremy welcome their first saki monkey to the park. Ring-tailed lemur Houdini has the the team baffled with a strange medical condition.

Orangutan Hsiao-Quai takes her adopted daughter outside for the first time. Woolly monkey Yarima could be pregnant.

The Misfit is a charismatic cub who has had a rough ride as he was bullied by his big brothers and rejected by his mother.

The spring baby boom floods the rehab with orphaned animals, and when a burglar busts down the rehab's door, Hope scrambles to save them all from freezing.

Cocos Island is a gem among Costa Rica's national parks. Beyond its pristine rainforest lies a marine wilderness filled with life, from sharks to sea turtles.

The fastest fish in the sea, the Mako shark has the advantages of a quick-thinking brain and astounding speed. Zoom alongside this relatively unstudied species.

Since the early 20th century, this uninhabited island in Lake Superior has been a battleground between moose and wolves. A research team tries to find the numbers.

An invasive species, Asian carp are a nasty bunch. They have decimated native fish populations throughout America's waterways, and their food supplies.

Alison and Jeremy welcome their first saki monkey to the park. Ring-tailed lemur Houdini has the the team baffled with a strange medical condition.

Orangutan Hsiao-Quai takes her adopted daughter outside for the first time. Woolly monkey Yarima could be pregnant.

The Misfit is a charismatic cub who has had a rough ride as he was bullied by his big brothers and rejected by his mother.

The spring baby boom floods the rehab with orphaned animals, and when a burglar busts down the rehab's door, Hope scrambles to save them all from freezing.

Cocos Island is a gem among Costa Rica's national parks. Beyond its pristine rainforest lies a marine wilderness filled with life, from sharks to sea turtles.

Flightless guillemot chicks take a leap of faith on Rathlin, while basking sharks and the endangered corncrake's dance of love are on show in Tory.

Since the early 20th century, this uninhabited island in Lake Superior has been a battleground between moose and wolves. A research team tries to find the numbers.

An invasive species, Asian carp are a nasty bunch. They have decimated native fish populations throughout America's waterways, and their food supplies.

Alison and Jeremy welcome their first saki monkey to the park. Ring-tailed lemur Houdini has the the team baffled with a strange medical condition.

Orangutan Hsiao-Quai takes her adopted daughter outside for the first time. Woolly monkey Yarima could be pregnant.

Steve returns home to ask: if whales have survived so much, what can we all do to ensure their enduring future.

Delve into the surprising behaviours of some of Australia's most unlikely romantics, including shingleback lizards, eastern ospreys, brown boobys and even corals.

Many scientists believe curiosity is a key driving force in evolution. Meet some uniquely curious animals, including brushtail possums, parrots, numbats and more.

Since the early 20th century, this uninhabited island in Lake Superior has been a battleground between moose and wolves. A research team tries to find the numbers.

An invasive species, Asian carp are a nasty bunch. They have decimated native fish populations throughout America's waterways, and their food supplies.

Flightless guillemot chicks take a leap of faith on Rathlin, while basking sharks and the endangered corncrake's dance of love are on show in Tory.

The fastest fish in the sea, the Mako shark has the advantages of a quick-thinking brain and astounding speed. Zoom alongside this relatively unstudied species.

At the water's edge, a brave group of male penguins gather to make a dangerous journey. The goal - to find a burrow before the females arrive.

Steve returns home to ask: if whales have survived so much, what can we all do to ensure their enduring future.

Delve into the surprising behaviours of some of Australia's most unlikely romantics, including shingleback lizards, eastern ospreys, brown boobys and even corals.

Many scientists believe curiosity is a key driving force in evolution. Meet some uniquely curious animals, including brushtail possums, parrots, numbats and more.

The Misfit is a charismatic cub who has had a rough ride as he was bullied by his big brothers and rejected by his mother.

The spring baby boom floods the rehab with orphaned animals, and when a burglar busts down the rehab's door, Hope scrambles to save them all from freezing.

New Zealand's west coast is like nowhere else. From glacier-covered mountains and rain-drenched native forests to rough frigid seas, the landscape defies belief.

Alison responds to an urgent call from the RSPCA. Mueller's gibbon Fox gets special attention and it all kicks off at the Bachelor Boys.

There's great excitement as woolly monkey Enzo gets a new baby sister. Squirrel monkey Charlie meets his new family.

Three-year-old Chipadzua is an entitled leopardess who should have left her mother's side more than a year ago.

A family of foxes is threatened by human encroachment, and Hope must break her own rules to save them from being killed.

Known for jaw-dropping encounters with giant Pacific manta rays, hammerhead schools, dolphins and tiger sharks, the Socorro Islands are a true Mexican jewel.

Often wrongly portrayed as mindless eating machines prone to attacking humans, sharks are more complex and intelligent than previously thought.

The Lake Erie watersnake is currently on the brink of extinction, and researchers are fighting to get it back. Thanks to the round goby, it is working.

It is a conundrum of conservation. Where animals and humans co-exist, how do you stop a bad reputation from pushing a species towards extinction.

Alison responds to an urgent call from the RSPCA. Mueller's gibbon Fox gets special attention and it all kicks off at the Bachelor Boys.

There's great excitement as woolly monkey Enzo gets a new baby sister. Squirrel monkey Charlie meets his new family.

Three-year-old Chipadzua is an entitled leopardess who should have left her mother's side more than a year ago.

A family of foxes is threatened by human encroachment, and Hope must break her own rules to save them from being killed.

Known for jaw-dropping encounters with giant Pacific manta rays, hammerhead schools, dolphins and tiger sharks, the Socorro Islands are a true Mexican jewel.

Continue the odyssey along Ireland's west coast, spying on the love affairs of grey seals in the Inishkea Islands and plying Connemara's turquoise waters.

The Lake Erie watersnake is currently on the brink of extinction, and researchers are fighting to get it back. Thanks to the round goby, it is working.

It is a conundrum of conservation. Where animals and humans co-exist, how do you stop a bad reputation from pushing a species towards extinction.

Alison responds to an urgent call from the RSPCA. Mueller's gibbon Fox gets special attention and it all kicks off at the Bachelor Boys.

There's great excitement as woolly monkey Enzo gets a new baby sister. Squirrel monkey Charlie meets his new family.

Go back in time and discover how lions conquered the world and how the tiger became the real King of the Jungle.

Walk on the wild side with Sirga the lion, whose human pal, Val, has been by her side since she was an orphaned cub.

The Lake Erie watersnake is currently on the brink of extinction, and researchers are fighting to get it back. Thanks to the round goby, it is working.

It is a conundrum of conservation. Where animals and humans co-exist, how do you stop a bad reputation from pushing a species towards extinction.

Continue the odyssey along Ireland's west coast, spying on the love affairs of grey seals in the Inishkea Islands and plying Connemara's turquoise waters.

Often wrongly portrayed as mindless eating machines prone to attacking humans, sharks are more complex and intelligent than previously thought.

New Zealand's west coast is like nowhere else. From glacier-covered mountains and rain-drenched native forests to rough frigid seas, the landscape defies belief.

Go back in time and discover how lions conquered the world and how the tiger became the real King of the Jungle.

Walk on the wild side with Sirga the lion, whose human pal, Val, has been by her side since she was an orphaned cub.

Three-year-old Chipadzua is an entitled leopardess who should have left her mother's side more than a year ago.

A family of foxes is threatened by human encroachment, and Hope must break her own rules to save them from being killed.

Two epic wild fortresses protect the vulnerable animals - a remote island shielded by saltwater and a hilltop citadel surrounded by a predator-proof barrier.

The police arrive when Alison and the RSPCA rescue marmosets from terrible conditions. Leader capuchin Gorilon goes under the knife following a nasty tangle.

Adolescent chimp Bryan tests Jeremy's patience with his emotional outbursts. Marmoset James is rescued from a pet shop full of predators.

A group of spotted hyenas moves into a burrow that's close to where a litter of wild dog pups reside.

When twin fawns arrive, Hope and Zach must take special care to make sure they don't get too attached. A volunteer scours the woods for orphans.

Across the 3,000 scattered islands of the Bahamas lie incredible natural wonders, from giant pine forests to secret labyrinths of underwater caves.

As one vet gives a koala mouth-to-mouth, another performs microsurgery on a fruit bat. A bath-averse python faces its fears and an owl gets rescued.

With seven of Ontario's eight turtle species listed as endangered, the push is on to keep population numbers up. But turtles are slow and not entirely smart.

A dam is an engineering feat which controls massive amounts of water. However, it can also wreak havoc on the animals that call those waters home.

The police arrive when Alison and the RSPCA rescue marmosets from terrible conditions. Leader capuchin Gorilon goes under the knife following a nasty tangle.

Adolescent chimp Bryan tests Jeremy's patience with his emotional outbursts. Marmoset James is rescued from a pet shop full of predators.

A group of spotted hyenas moves into a burrow that's close to where a litter of wild dog pups reside.

When twin fawns arrive, Hope and Zach must take special care to make sure they don't get too attached. A volunteer scours the woods for orphans.

Across the 3,000 scattered islands of the Bahamas lie incredible natural wonders, from giant pine forests to secret labyrinths of underwater caves.

Learn how Arctic terns negotiate a 50,000-mile-a-year commute in Kerry's Maharee Islands, before going whale watching off Brandon Head.

With seven of Ontario's eight turtle species listed as endangered, the push is on to keep population numbers up. But turtles are slow and not entirely smart.

A dam is an engineering feat which controls massive amounts of water. However, it can also wreak havoc on the animals that call those waters home.

The police arrive when Alison and the RSPCA rescue marmosets from terrible conditions. Leader capuchin Gorilon goes under the knife following a nasty tangle.

Adolescent chimp Bryan tests Jeremy's patience with his emotional outbursts. Marmoset James is rescued from a pet shop full of predators.

Jhalana's leopard kingdom trembles as Prince Rana challenges his father Bahadur, forging a dangerous alliance to seize power by claw and fang.

New & Exclusive. March to the steady drumbeat of a unique avian family and learn why the world's 239 woodpecker species are nature's best lumberjacks.

With seven of Ontario's eight turtle species listed as endangered, the push is on to keep population numbers up. But turtles are slow and not entirely smart.

A dam is an engineering feat which controls massive amounts of water. However, it can also wreak havoc on the animals that call those waters home.