Test the limits with jaguar cub Frida, as she hones her survival skills in Brazil's Caiman Lodge Reserve.

Hunt for missing nursery-class orphan, Lahei, before finding out if Beni and Valentino will make the grade and finally earn their freedom.

Visit Penny the pigeon and the human who saved her, dive with a shark dancer and feel touched by the deep, lifelong commitment Riana has to Faith the cheetah.

Embrace an invasive nutria who's become part of the family, paddle around with Gumbo the goose and explore a swimmer's bond with wild grey seals.

Explore the pristine wilderness of Snares Island with its colony of Snares Crested Penguins, soar with giant petrels and swim with giant sea lions.

Encounter coastal sea wolves, endangered marmots, Western Toad tadpoles and more as you explore one of the most extraordinary islands on the planet.

Touch down on the largest sand island in the world, as stingrays hunt soldier crabs in the tidal shallows, acid frogs evade vicious predators and more.

An Eternal Duel: Canids and felines deploy an arsenal of hunting skills. Felines face endurance, while wolves rely on their privileged sense of smell in a fight for survival.

Alison's at Dublin Zoo to collect baby orangutan Sibu Junior, whose mum failed to take care of him. While back at the park, the chimps get excited over warm pumpkins.

Emotional goodbyes at Dublin Zoo as baby orangutan Sibu Junior sets off for a new home at Monkey World and there's mega moves for the Small Monkey Team.

Disabled chimp Chocolate begins to settle into Bryan's group and even makes friends with big girl Ash. Plus, it's dental day for Stumpy Freddy and it's not looking good.

Alison collects a pet trade Geffroys' marmoset in need of a new home and Stumpy Freddy gets a treat to help the medicine go down after dental surgery.

A walk in the park for Alison and baby orangutan Sibu, while Primate Care Staff member Donna is in Spain to collect another rejected orangutan.

Orangutan baby Kiwi makes the journey from Spain to Dorset and meets her new companion, Sibu and there are concerns for ageing chimp Butch after a vet visit.

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.

Sir David Attenborough charts the story of animals who defy gravity, starting with the first flyers: the insect.

After meeting some critters who glide through life in Borneo, Sir David Attenborough turns back the clock.

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.

In the mountains of Patagonia, a mother puma has six months to teach her cubs how to survive in a competitive world.

In Australia, meet the world's most venomous snake. Plus, in nearby oceans, discover the deadly nature of the marine creatures that share these tropical waters.

In the South American rainforest, there's a tiny frog that's packed with poison. While near Sydney, Australia, you'll meet the world's most venomous spider.

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.

In the mountains of Patagonia, a mother puma has six months to teach her cubs how to survive in a competitive world.

River of Life: Follow wallabies, koolamana lizards and crocodile hatchlings as they face the wild river's dangers and discover the true power of this waterway.

Europe's biggest terrestrial mammal was hunted to extinction, but thanks to ambitious rewilding, the European Bison has been re-introduced.

Welcome to the Steinhuder Meer, a biodiversity hotspot in Germany, as a combination of fenlands, alder march, and dunes create an amazing landscape.

Andalusia consists of extreme habitats once severely impacted by humans. Now, many previously near-extinct animals are reclaiming this unique land.

What happens when domestic and farm animals escape to the wild? After years of being cared for, they face a race to learn the skills needed for survival.

Finding a home in new territory is a challenge, but sometimes, animals have no choice. Using sheer numbers to impose their will, these are nature's unwanted guests.

Explore community-run Reteti Elephant Sanctuary, where human surrogate moms offer survival lessons and nurture young elephants through play.

Balance the pain of goodbyes with hope for the future as a generation of rescued elephants are finally released.

Hunters never know where the next meal will come from, but they must be prepared to find it. Investigate the weapons at the disposal of Africa's predators.

Snakes, spiders and scorpions are the kind of creepy crawlies many fear the most. In Africa, these species are refined predators.

It's dental day for squirrel monkey Logan, but an all-over health check reveals another issue. While young female orangutan Mimi meets alpha male Tuan for the first time.

Alison collects four male lemurs being rehomed at the park while baby orangutans Sibu and Kiwi enjoy a play session together.

In Vietnam, black-shanked douc Peter is fitted with a GPS collar before being released into the wild with his group and there are juicy melons for the spider monkeys.

Disabled chimp Chocolate has a new friend and everyone's surprised by just who wants to be her pal.

Diabetic golden-cheeked gibbon Alex needs dental treatment but the operation is complicated by her condition and chimpanzee Eddi sends a wild intruder packing.

Newly arrived lemur Ben meets boss lady Fennel and conducts himself accordingly while baby orangutans Kiwi and Sibu explore a tunnel full of browse.

David Attenborough descends beneath the waves and meets some of the tiny coral animals that helped build the Reef and make it an underwater wonderland.

Sir David Attenborough continues exploring the Great Barrier Reef, and discovers the animals that visit every year - some travelling thousands of miles.

In this concluding episode, Sir David Attenborough tries to understand what the next few decades may hold in store for the Reef.

River of Life: Follow wallabies, koolamana lizards and crocodile hatchlings as they face the wild river's dangers and discover the true power of this waterway.

Eternal Rivals: Felines and canids clash across the world. Dive into direct battles and strategies to steal food. Intelligence and strength decide who reigns in each territory.

Join Steve as he grants a rare glimpse into the secret life of sharks in the Atlantic Ocean.

Join Steve as he finds out how sharks in the Indian Ocean are adapting to their rapidly changing world.

Join Steve as he tracks down 'shark hotspots' in the Pacific Ocean and works out how to protect them.

River of Life: Follow wallabies, koolamana lizards and crocodile hatchlings as they face the wild river's dangers and discover the true power of this waterway.

Eternal Rivals: Felines and canids clash across the world. Dive into direct battles and strategies to steal food. Intelligence and strength decide who reigns in each territory.

Journey to the largest island in the Canadian Arctic and encounter arctic foxes, white beluga whales, a never-before-filmed two-tusked narwhal and more.

Here, evolution is in overdrive, resulting in an explosion of life. An unnamed species of spider is filmed for the first time, hunting other spiders.

When a veteran pair of osprey return home, they must take on enemies, elements and hundreds of fish if they wish to raise the next generation.

Join a team of wildlife filmmakers in the forests of Yala National Park, as they reveal the enigmatic sloth bear's life and behaviour as never seen before.

A sick elephant calf who was found abandoned near a reserve appears to be another victim of the battle for space between humans and elephants.

Even giant animals start out small, and the likes of elephants, gorillas, rhinos and bison have some of the cutest babies in the animal kingdom.

Most animals are born defenceless, but under the protection and guidance of their mothers, they soon become masters of their own universes.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Patrick Aryee comes within a whisker of some of Earth's most majestic predators on a stunning journey through the feline family tree.

Patrick Aryee witnesses gravity-defying 'catrobatics', tests a cheetah's speed and explores the odd-looking Pallas's cat.

In Australia, meet the world's most venomous snake. Plus, in nearby oceans, discover the deadly nature of the marine creatures that share these tropical waters.

In the South American rainforest, there's a tiny frog that's packed with poison. While near Sydney, Australia, you'll meet the world's most venomous spider.

Geoffroy's marmoset males Cesar and Gizmo could soon have female partners, but first, a minor operation is required.

Alison collects Angel, a marmoset in need of a new home and partner. A move to Malagasy for the new male lemurs and the old guard causes a bit of a stink.

The next stage of lemur introductions keeps the primate care staff on their toes, while gibbons Kim and Tien head back to their familiar stomping ground.

In Dao Tien a group of misbehaving doucs need to be relocated and female golden-cheeked gibbon Tungs release is hampered by the weather.

Concerns for chimp Jestah who has a lump on his jaw. Lemurs Fennel and Ben trial life with the guenons but youngster Biff proves a bit full on.

The large playroom at the orangutan nursery is a hit with youngsters Kiwi and Sibu, while chimp Clin gets a manicure for safety rather than appearance.

There's a tasty treat of corn for the chimps but Bart and his troop miss out and the new lemur boys get to experience life in the trees at Malagasy.

Orangutan Amy becomes a great-grandmother as Awan and Jin welcome a baby boy. While there's more baby news for the newly released doucs and gibbons in Vietnam.

Conflict: Sir David Attenborough explores the macroscopic world of bugs and, in this first episode, finds out how its residents outwit their enemies to survive.

Predator: It's a bug-eat-bug world out there, and the documentary continues with a look at how the various critters defuse the defences of their prey.

Courtship: Dating is just as tricky a business in the insect world, and Sir David Attenborough finds out how certain bugs choose and then woo their partners.

Reproduction: Sir David Attenborough reveals how different bugs usher in the next generation, including the butterfly and harvestman spider.

Family: Join Sir David Attenborough as he zooms in on a set of bugs who prefer cooperation to conflict, from the burrowing cockroach to a queen bee.

Colony: Before departing the insect world, Sir David Attenborough takes a tour of its vast colonies, which rival human megacities in both size and complexity.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Eternal Rivals: Felines and canids clash across the world. Dive into direct battles and strategies to steal food. Intelligence and strength decide who reigns in each territory.

Examine the Amazon rainforest's oxygen-breathing trees and meet flamingos that thrive in the sun's scorching UV rays.

Hyenas claim the largest island in the delta, but must defend it. Elephants and hippos sculpt the waterways and make new homes for smaller creatures.

Never-before-filmed highland leopards stalk Sambar deer, while territorial mudskippers and fiddler crabs compete for homes and mates.

Dive into the Caribbean home of thriving reefs, endangered sea turtles, sprawling mangroves and colourful marine life.

The animals that lives along the border between the USA and Canada face huge numbers of challenges - even politics. Over 12 months, see how the boundary affects them.

Eternal Rivals: Felines and canids clash across the world. Dive into direct battles and strategies to steal food. Intelligence and strength decide who reigns in each territory.

Examine the Amazon rainforest's oxygen-breathing trees and meet flamingos that thrive in the sun's scorching UV rays.

Matsalu National Park is home to an exceptionally large moose colony. Join two yearlings as they roam the open marshes and thrive in this extraordinary moose kingdom.

New. Low tide exposes a band of shore called the intertidal zone. Attacked by hurricane force waves and exposed to baking heat - creatures here live in an extreme environment like no other.

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.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

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.

Congratulate the new Orangutan Jungle School graduates, following the convoy to the release site where the team bids their friends a poignant farewell.

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

Novice fliers tackle their first ascents, earth-bound creatures soar uniquely and sky masters race with speed, power and agility.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

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.

Congratulate the new Orangutan Jungle School graduates, following the convoy to the release site where the team bids their friends a poignant farewell.

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

Novice fliers tackle their first ascents, earth-bound creatures soar uniquely and sky masters race with speed, power and agility.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Feel the heat as Lizzie and veterinarian Joares scramble to collar more jaguars amid storms, floods and power outages.

River of Life: Follow wallabies, koolamana lizards and crocodile hatchlings as they face the wild river's dangers and discover the true power of this waterway.

Novice fliers tackle their first ascents, earth-bound creatures soar uniquely and sky masters race with speed, power and agility.

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

Follow efforts to protect three important Florida Keys habitats, including crucial coral reefs and the swampy homes of endangered birds.

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.

Feel the heat as Lizzie and veterinarian Joares scramble to collar more jaguars amid storms, floods and power outages.

River of Life: Follow wallabies, koolamana lizards and crocodile hatchlings as they face the wild river's dangers and discover the true power of this waterway.

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.

Congratulate the new Orangutan Jungle School graduates, following the convoy to the release site where the team bids their friends a poignant farewell.

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.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

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.

Explore the shores of the Northern Territory and the abundant waters of the Great Barrier Reef, facing flooded roads, hungry saltwater crocs and killer jellyfish.

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.

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.

Each species evolves unique tools to outpace rivals in the eat-or-be-eaten game, taking to the skies is the ultimate advantage.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

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.

Explore the shores of the Northern Territory and the abundant waters of the Great Barrier Reef, facing flooded roads, hungry saltwater crocs and killer jellyfish.

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.

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.

Each species evolves unique tools to outpace rivals in the eat-or-be-eaten game, taking to the skies is the ultimate advantage.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Feel the heat of summer's arrival as supersize sea snails try to fend off an invading gang of coral-hungry starfish and more.

Romeo And Julieta: This is the tale of Julieta, a golden dart frog who requires a mate to fertilise her eggs. To find her Romeo, she faces a daunting voyage through the forest.

Each species evolves unique tools to outpace rivals in the eat-or-be-eaten game, taking to the skies is the ultimate advantage.

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.

Head beneath the waves for a colourful look at the US's largest marine sanctuary - home to 525 species of fish and a huge, underwater kelp forest.

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.

Feel the heat of summer's arrival as supersize sea snails try to fend off an invading gang of coral-hungry starfish and more.

Romeo And Julieta: This is the tale of Julieta, a golden dart frog who requires a mate to fertilise her eggs. To find her Romeo, she faces a daunting voyage through the forest.

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.

Explore the shores of the Northern Territory and the abundant waters of the Great Barrier Reef, facing flooded roads, hungry saltwater crocs and killer jellyfish.

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.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

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.

Say goodbye to the tropics and dip into cool southern-coast waters, coming face to face with majestic grey nurse sharks, shape-shifting cuttlefish and huge blue whales.

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.

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.

Nearly every species on Earth must find a mate and while some become partners for life, for others it's just a fleeting moment.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

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.

Say goodbye to the tropics and dip into cool southern-coast waters, coming face to face with majestic grey nurse sharks, shape-shifting cuttlefish and huge blue whales.

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.

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.

Nearly every species on Earth must find a mate and while some become partners for life, for others it's just a fleeting moment.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Meet a new species of exotic animals perfectly suited to inhabit the mighty Drakensberg, one of South Africa's most impressive landscapes.

Eternal Rivals: Felines and canids clash across the world. Dive into direct battles and strategies to steal food. Intelligence and strength decide who reigns in each territory.

Nearly every species on Earth must find a mate and while some become partners for life, for others it's just a fleeting moment.

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.

Overfishing and tourism have landed much of this formerly pristine reef in jeopardy, putting its sharks and turtles in grave danger.

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.

Meet a new species of exotic animals perfectly suited to inhabit the mighty Drakensberg, one of South Africa's most impressive landscapes.

Eternal Rivals: Felines and canids clash across the world. Dive into direct battles and strategies to steal food. Intelligence and strength decide who reigns in each territory.

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.

Say goodbye to the tropics and dip into cool southern-coast waters, coming face to face with majestic grey nurse sharks, shape-shifting cuttlefish and huge blue whales.

Flying squirrels leaping through the air is quite a sight - especially for researchers who know they're not supposed to be there.

Sometimes animals get a second chance. One of those is the majestic elk, which went extinct in Ontario, but is now recovering after being re-introduced.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

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.

The trip's final lap visits the land where Australia's desert meets the hostile Indian Ocean. Confront the challenges of survival as Lizzie dives with tiger sharks and manta rays.

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

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.

All airborne creatures embark on remarkable journeys through the air, some routes are short and others across hundreds of miles.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

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.

The trip's final lap visits the land where Australia's desert meets the hostile Indian Ocean. Confront the challenges of survival as Lizzie dives with tiger sharks and manta rays.

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

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.

All airborne creatures embark on remarkable journeys through the air, some routes are short and others across hundreds of miles.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

Set in Dorset's Monkey World Ape Rescue Centre, this documentary series follows the day-to-day dramas of looking after over 240 primates.

River of Life: Follow wallabies, koolamana lizards and crocodile hatchlings as they face the wild river's dangers and discover the true power of this waterway.

The clinic deals with the aftermath of a Brisbane flood, while a baby kangaroo is in need of round-the-clock care. Vet Karina tackles the turtle waiting list.

All airborne creatures embark on remarkable journeys through the air, some routes are short and others across hundreds of miles.

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.

Explore the remote wonder of the Bahamas' first ocean park - a largely unexplored region made up of hundreds of tiny islands.

Flying squirrels leaping through the air is quite a sight - especially for researchers who know they're not supposed to be there.

Sometimes animals get a second chance. One of those is the majestic elk, which went extinct in Ontario, but is now recovering after being re-introduced.

River of Life: Follow wallabies, koolamana lizards and crocodile hatchlings as they face the wild river's dangers and discover the true power of this waterway.

The clinic deals with the aftermath of a Brisbane flood, while a baby kangaroo is in need of round-the-clock care. Vet Karina tackles the turtle waiting list.

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.

The trip's final lap visits the land where Australia's desert meets the hostile Indian Ocean. Confront the challenges of survival as Lizzie dives with tiger sharks and manta rays.

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

Do rounds on the ranch that Albert the camel runs with his human friend Alex, then check in with Herbie the wallaby as he gets pampered.

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.

There is an endless variety of sleep-strategies among animals, yet it seems a universal behaviour. But why bother with sleep at all.

Explore our dependence on these tiny animals, their vital ecosystem roles and the threats to our fragile relationship with them.

Learn how bees, butterflies, moths and other pollinators keep our fields fruitful and weigh what life would be like if these busy bugs vanished.

Eternal Rivals: Felines and canids clash across the world. Dive into direct battles and strategies to steal food. Intelligence and strength decide who reigns in each territory.

River of Life: Follow wallabies, koolamana lizards and crocodile hatchlings as they face the wild river's dangers and discover the true power of this waterway.

Sri Lanka's jungles are a monkey's paradise, but not all are equal. Anna sits at the bottom of the social ladder. And with a newborn baby, life is getting tougher.

Having come of age, male macaque Ravi leaves home for a journey of a lifetime. It will involve the big city, grave dangers and finding a new troop.

Explore the primate paradise of Sri Lanka's ancient temples, home to tufted grey langurs, toque macaques and purple-faced leaf monkeys.

David Attenborough descends beneath the waves and meets some of the tiny coral animals that helped build the Reef and make it an underwater wonderland.

Sir David Attenborough continues exploring the Great Barrier Reef, and discovers the animals that visit every year - some travelling thousands of miles.

In this concluding episode, Sir David Attenborough tries to understand what the next few decades may hold in store for the Reef.

Chilli and her five cubs encounter young mother Inara and her four. See what happens when their standoff resolves into an unusual blended family.

In Zimbabwe, a wild dog pack find themselves outnumbered by lions and hyenas. Their pups must learn quickly.

New & Exclusive. Discover the ways in which natural selection and human pressure have shaped the raccoon dog, the golden jackal and the maned wolf.

New & Exclusive. Discover the ways in which natural selection and human pressure have shaped the raccoon dog, the golden jackal and the maned wolf.

Chilli and her five cubs encounter young mother Inara and her four. See what happens when their standoff resolves into an unusual blended family.

In Zimbabwe, a wild dog pack find themselves outnumbered by lions and hyenas. Their pups must learn quickly.

Explore how whale sharks drive the culture of Santa Maria, the only European hotspot for these giants and why warming seas may be drawing them in.

Existing in the southwest corner of New Zealand's South Island is tough. Penguins here must evade the clutches of giant sea lions, who in turn must battle the harsh elements.

Explore winter's impact on the deep fjords and tidal lagoons of southwestern New Zealand. As bottlenose dolphins escape the freezing fjords, longfin eels are called back to sea.

The southeastern coast of New Zealand is where young marine animals become adults. Here, young whales, dolphins and seals strike out on their own adventures for the first time.

In the wild, having company means protection, while isolation often leads to danger. See how groups of animals work together to fight off threats.

Some species simply can't survive in one place. Epic flights, adventurous sea journeys, and exhausting road trips all play a key part in the lives for many animals.

North of the Arctic Circle, the sun hardly sets in summer. Food is abundant, but animals and plants alike face great challenges such as sleep deprivation, pests and predators.

In winter, cold and darkness dominate the Arctic Circle, but nature copes astonishingly well. Discover how plants and animals survive these brutal conditions.

Sharks are among the planet's oldest and most highly evolved predators. Along the coast of southern Africa, pioneers work to uncover their incredible secrets.

Lurking in the African shadows are reptiles we seldom see. Masters of the underworld, these snakes and lizards have conquered almost every habitat there.

Go on a 750km journey down the Drava river, starting with the current's Alpine origins to its delta in the Pannonian Basin.

Dive into the great floodplains that lie along the Drava River - areas that are at risk of intense seasonal flooding - before exploring the wetlands of Kopacki Rit.

New & Exclusive. Meet the oddballs of the oceans and witness the remarkable skills they have built over the years, from blind worms who fish to crabs who climb trees and more.

New & Exclusive. Discover some of the planet's strangest animals, from snapping shrimp to wolf eels, and see how these ocean-dwelling creatures ensure mutual survival.

New & Exclusive. Explore the bizarre mating rituals of the ocean's most peculiar creatures, from bloody battles to super-size litters.

Explore how whale sharks drive the culture of Santa Maria, the only European hotspot for these giants and why warming seas may be drawing them in.

Tidal Territory: Take on river crocs, see rare snakes and wallabies, then head to sea as humpback calves meet the threat of false killer whales.

Conflict: Sir David Attenborough explores the macroscopic world of bugs and, in this first episode, finds out how its residents outwit their enemies to survive.

Predator: It's a bug-eat-bug world out there, and the documentary continues with a look at how the various critters defuse the defences of their prey.

Courtship: Dating is just as tricky a business in the insect world, and Sir David Attenborough finds out how certain bugs choose and then woo their partners.

Reproduction: Sir David Attenborough reveals how different bugs usher in the next generation, including the butterfly and harvestman spider.

Family: Join Sir David Attenborough as he zooms in on a set of bugs who prefer cooperation to conflict, from the burrowing cockroach to a queen bee.

Colony: Before departing the insect world, Sir David Attenborough takes a tour of its vast colonies, which rival human megacities in both size and complexity.

Take a trip with the Blower Clan, a community of social, adaptable hermit crabs. Search for food, meet potential mates and watch wars erupt over housing options.

Explore how whale sharks drive the culture of Santa Maria, the only European hotspot for these giants and why warming seas may be drawing them in.

Tidal Territory: Take on river crocs, see rare snakes and wallabies, then head to sea as humpback calves meet the threat of false killer whales.

Zambia's Luangwa Valley endures one of the toughest dry seasons imaginable. But for some animals, the drought brings great opportunity.

In Zambia's Luangwa Valley, the global El Niño event makes the dry season hotter and harsher than ever.

Dr Marty and the MMR team rush to save a massive sea lion caught in a plastic noose, and an orphaned baby sea otter gets adopted into a new family.

The Rescue team tries to save an otter as Dr Marty battles rough conditions to help an entangled sea lion. At the Rescue Centre, a mischievous seal pup puts himself in danger.

The MMR team helps a lost sea turtle get back home. A huge sea lion is found shot with a cross bow bolt, and Dr Marty helps a fruit bat cope with old age.

Explore the awe-inspiring beauty of Gros Morne National Park, a 1,100-mile expanse located on the western coast of Canada's Newfoundland.

As Alison offers a tiny marmoset a home and a family, the Hananya's chimps do a workout and the two new capuchins meet dominant female Phoenix. Series premiere.

Pregnant woolly monkey Oriana faces down death as she is rushed to the operating table, and baby marmoset TikTok meets his potential foster dad.

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 bone dry deserts make the Arabian landscape almost inhospitable. But for three months of the year, rainfall turns a remote region into a lush paradise.

Millions of years ago, animals were stranded on the shores of Madagascar, leading to remarkable adaptations. A case in point - the ring-tailed lemur.

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

China's Yunnan Province marks the beginning of the journey of the Mekong River, the waters that flow through the heart of Southeast Asia.

As Alison offers a tiny marmoset a home and a family, the Hananya's chimps do a workout and the two new capuchins meet dominant female Phoenix. Series premiere.

Pregnant woolly monkey Oriana faces down death as she is rushed to the operating table, and baby marmoset TikTok meets his potential foster dad.

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 bone dry deserts make the Arabian landscape almost inhospitable. But for three months of the year, rainfall turns a remote region into a lush paradise.

Millions of years ago, animals were stranded on the shores of Madagascar, leading to remarkable adaptations. A case in point - the ring-tailed lemur.

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

China's Yunnan Province marks the beginning of the journey of the Mekong River, the waters that flow through the heart of Southeast Asia.

As Alison offers a tiny marmoset a home and a family, the Hananya's chimps do a workout and the two new capuchins meet dominant female Phoenix. Series premiere.

Pregnant woolly monkey Oriana faces down death as she is rushed to the operating table, and baby marmoset TikTok meets his potential foster dad.

Explore how whale sharks drive the culture of Santa Maria, the only European hotspot for these giants and why warming seas may be drawing them in.

The sun rises on an average day in the American tropics in May, and we watch as Peruvian penguins, Colombian rainforest monkeys and strange iguanas all try to beat the heat.

China's Yunnan Province marks the beginning of the journey of the Mekong River, the waters that flow through the heart of Southeast Asia.