The marsupial family ranges from the iconic kangaroo to the cheerful quokka. While they come in all shapes and sizes, there are many similarities.

The Americas: Patrick Aryee checks out the biggest animals on Earth as he reveals why size matters in the natural world. First stop, the Americas.

A refuge for Grenada's wildlife, Alhambra's fortress provides the backdrop for the daily dramas and struggles of the region's amphibians, fish and birds.

Trouble brews when a fight erupts between the feisty female capuchins. Alison visits baby woolly monkey Paulo for the final time, too.

Animal director Jeremy is concerned about chimp Ben, who has a nasty foot injury. Gibbon Tien, meanwhile, undergoes a major transformation.

The tropical forests of Australia seem empty and still at first glance, but look closer and they are positively teeming with life.

Australia and Asia: Patrick Aryee gets eye to eye with Komodo dragons, orangutans and giant pandas as he explores why these creatures all came to be supersized.

Taking our first steps is an amazing moment. Here, discover what it's like to grow up in the animal kingdom and explore the difficulties and dangers little ones face in the wild.

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.

Survival in the forest means maintaining a delicate balance between growth and destruction - something the elk, moose and wolves know only too well.

Trouble brews when a fight erupts between the feisty female capuchins. Alison visits baby woolly monkey Paulo for the final time, too.

Animal director Jeremy is concerned about chimp Ben, who has a nasty foot injury. Gibbon Tien, meanwhile, undergoes a major transformation.

The tropical forests of Australia seem empty and still at first glance, but look closer and they are positively teeming with life.

Australia and Asia: Patrick Aryee gets eye to eye with Komodo dragons, orangutans and giant pandas as he explores why these creatures all came to be supersized.

Taking our first steps is an amazing moment. Here, discover what it's like to grow up in the animal kingdom and explore the difficulties and dangers little ones face in the wild.

Investigate the interesting cases of two red-tailed hawks who need help getting back into fighting shape. The medical team brings in a feisty, rare white squirrel.

Check in with the centre's resident turkey vulture, who's ready for release and in search of a flock. The medical team is baffled by a toad who is mysteriously taken ill.

Survival in the forest means maintaining a delicate balance between growth and destruction - something the elk, moose and wolves know only too well.

Trouble brews when a fight erupts between the feisty female capuchins. Alison visits baby woolly monkey Paulo for the final time, too.

Animal director Jeremy is concerned about chimp Ben, who has a nasty foot injury. Gibbon Tien, meanwhile, undergoes a major transformation.

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.

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.

Survival in the forest means maintaining a delicate balance between growth and destruction - something the elk, moose and wolves know only too well.

Investigate the interesting cases of two red-tailed hawks who need help getting back into fighting shape. The medical team brings in a feisty, rare white squirrel.

Check in with the centre's resident turkey vulture, who's ready for release and in search of a flock. The medical team is baffled by a toad who is mysteriously taken ill.

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.

A refuge for Grenada's wildlife, Alhambra's fortress provides the backdrop for the daily dramas and struggles of the region's amphibians, fish and birds.

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.

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.

The tropical forests of Australia seem empty and still at first glance, but look closer and they are positively teeming with life.

Australia and Asia: Patrick Aryee gets eye to eye with Komodo dragons, orangutans and giant pandas as he explores why these creatures all came to be supersized.

From swans to Alpine ibex, explore the creatures that have called one of Germany's most visited castles and attractions their home for centuries.

Urgent action is taken when an infection threatens to sweep through the park's chimp population. The overweight orangutans, meanwhile, plod on with their diets.

Events take a turn for the worse for chimp Ben, and panic grows when another primate in Hananya's house is struck down by the same illness.

Secret pockets of paradise, waterholes are a vital pipeline of life in this dry landscape, hosting an array of birds, insects, fish and freshwater crocodiles.

Africa: Patrick Aryee tracks down great white sharks, desert giraffes and one of the last 'tusker' elephants as he explores the challenges facing nature's giants.

Making our first friends is something we can't forget and it's the same in the wild. Here, discover the importance of having allies and gaining trust in the animal kingdom.

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

A look at how the great many species that call the Rocky Mountains home organise their societies through communication, hierarchy, diet and more.

Urgent action is taken when an infection threatens to sweep through the park's chimp population. The overweight orangutans, meanwhile, plod on with their diets.

Events take a turn for the worse for chimp Ben, and panic grows when another primate in Hananya's house is struck down by the same illness.

Secret pockets of paradise, waterholes are a vital pipeline of life in this dry landscape, hosting an array of birds, insects, fish and freshwater crocodiles.

Africa: Patrick Aryee tracks down great white sharks, desert giraffes and one of the last 'tusker' elephants as he explores the challenges facing nature's giants.

Making our first friends is something we can't forget and it's the same in the wild. Here, discover the importance of having allies and gaining trust in the animal kingdom.

The natural world is filled with colourful and quirky characters. It may look crazy, but when the aim is to survive, nothing is too outrageous.

A look at how the great many species that call the Rocky Mountains home organise their societies through communication, hierarchy, diet and more.

Urgent action is taken when an infection threatens to sweep through the park's chimp population. The overweight orangutans, meanwhile, plod on with their diets.

Events take a turn for the worse for chimp Ben, and panic grows when another primate in Hananya's house is struck down by the same illness.

Weave through Queensland's coastal chaos, where Jess faces her fears chasing a lace monitor lizard up a tree with an active beehive.

Dive into tight spaces, underneath hot houses and into tense rescue situations as the catchers confront a six-foot-long, highly venomous brown snake.

Dining by Moonlight: Predator and prey live and die by lunar rules, as moonlight reveals or conceals life's nightly battle for survival.

A look at how the great many species that call the Rocky Mountains home organise their societies through communication, hierarchy, diet and more.

The natural world is filled with colourful and quirky characters. It may look crazy, but when the aim is to survive, nothing is too outrageous.

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

From swans to Alpine ibex, explore the creatures that have called one of Germany's most visited castles and attractions their home for centuries.

Weave through Queensland's coastal chaos, where Jess faces her fears chasing a lace monitor lizard up a tree with an active beehive.

Dive into tight spaces, underneath hot houses and into tense rescue situations as the catchers confront a six-foot-long, highly venomous brown snake.

Dining by Moonlight: Predator and prey live and die by lunar rules, as moonlight reveals or conceals life's nightly battle for survival.

Secret pockets of paradise, waterholes are a vital pipeline of life in this dry landscape, hosting an array of birds, insects, fish and freshwater crocodiles.

Africa: Patrick Aryee tracks down great white sharks, desert giraffes and one of the last 'tusker' elephants as he explores the challenges facing nature's giants.

Explore Tasmanian devils' softer side, meet a pioneering sea turtle, enjoy family dinner with Buttons the deer and play football with 800-kilogram Spud the bull.

Flap around with Banksi the fruit bat, celebrate a pig's rescue-versary and learn to speak baboon with Dingani, who has a one-of-a-kind kinship with his primate pal Lucy.

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.

The natural world is filled with colourful and quirky characters. It may look crazy, but when the aim is to survive, nothing is too outrageous.

Weave through Queensland's coastal chaos, where Jess faces her fears chasing a lace monitor lizard up a tree with an active beehive.

Dive into tight spaces, underneath hot houses and into tense rescue situations as the catchers confront a six-foot-long, highly venomous brown snake.

Dining by Moonlight: Predator and prey live and die by lunar rules, as moonlight reveals or conceals life's nightly battle for survival.

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.

The world is full of creepy crawlies that make people squirm, but don't be fooled by their looks - these animals have serious survival skills.

From the capybara to the three-banded armadillo, meet some of the world's strangest-looking animals.

Meet some of nature's biggest deceivers - cunning creatures with clever tricks up their sleeves.

Chickens and Tyrannosaurus rexes don't seem alike, but they have more in common than you think. Experts investigate the startling similarities.

In this documentary, explore the Canary Islands' astonishing ecosystems, where new opportunities arose for species when rocks engulfed by flames emerged from the ocean.

Sir David Attenborough goes in search of the very first animals to inhabit our planet - a journey that begins in a forest near his childhood home in Leicester.

Sir David Attenborough explores the beautiful landscapes of Canada's Rocky Mountains, where fossils document an explosion in animal diversity.

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.

With strategies ranging from fearsome size and speed to sophisticated teamwork, the world's top predators have evolved formidable means of surviving in Africa.

Keen eyesight, razor-sharp talons and other adaptations help raptors like the peregrine falcon and bald eagle hunt. See the world from their remarkable eyes.

Head out with Lizzie and the Oncafari team on the hunt for a missing, dominant jaguar - and monitor the battle between young hopefuls who want power.

Dogs are coming to our rescue in surprising ways, including this Great Dane that has transformed the life of a 13-year-old girl with a life-limiting condition.

Across the world, dogs are saving lives. At a South African airport, bird-chasing border collies are preventing potentially devastating collisions with aircraft.

With strategies ranging from fearsome size and speed to sophisticated teamwork, the world's top predators have evolved formidable means of surviving in Africa.

Keen eyesight, razor-sharp talons and other adaptations help raptors like the peregrine falcon and bald eagle hunt. See the world from their remarkable eyes.

Head out with Lizzie and the Oncafari team on the hunt for a missing, dominant jaguar - and monitor the battle between young hopefuls who want power.

Dive to the darkest depths of the sea to uncover the ocean's most mysterious inhabitants and journey across vast stretches of open water with humpback whales.

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 Zambia's Luangwa Valley, a young baboon faces exclusion from his troop because of his white hair. With predators lurking, his mother must find him support.

The plains and woodlands of the Luangwa Valley are wild and merciless places for the unprepared. To avoid the danger, animals come together for survival.

The dry season welcomes thousands of animals to the Acacia Loop as they search for food. There, each species battles to find its place in the pecking order.

Mvula is the youngest elephant calf in his family. With temperatures rising and water becoming scarce, they begin a long and risky journey to their next home.

Moonlit Romance: From frozen Arctic tundra to tropical seas, the Moon's rhythms ignite nature's most intimate, dazzling and life-giving love stories.

Dogs are coming to our rescue in surprising ways, including this Great Dane that has transformed the life of a 13-year-old girl with a life-limiting condition.

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.

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.

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.

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.

Storm into a new suburb, where the wranglers keep deadly snakes from slipping into family homes.

Tread carefully as Jess and Dan extract a python from a play area and get spooked when a chicken-hunting python squashes Liv's hand during a tense rescue.

Dive to the darkest depths of the sea to uncover the ocean's most mysterious inhabitants and journey across vast stretches of open water with humpback whales.

Moonlit Romance: From frozen Arctic tundra to tropical seas, the Moon's rhythms ignite nature's most intimate, dazzling and life-giving love stories.

As Sir David Attenborough turns 90, this intimate film presents new interviews, behind-the-scenes footage and extraordinary clips.

Collisions: Observe the natural and human forces that have shaped this area and discover a million-year-old fossil reef, a gargantuan fish and a ray that packs quite a punch.

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.

Storm into a new suburb, where the wranglers keep deadly snakes from slipping into family homes.

Tread carefully as Jess and Dan extract a python from a play area and get spooked when a chicken-hunting python squashes Liv's hand during a tense rescue.

Dive to the darkest depths of the sea to uncover the ocean's most mysterious inhabitants and journey across vast stretches of open water with humpback whales.

Spring is in the air as twin lambs Larry and Flora leap for joy in the meadow with the other newborns. Also available in HDR.

Summer days mean the animals get to roam in the open meadows. Meanwhile, the Hebridean sheep stage a breakout. Also available in HDR.

As the leaves change, wild urges grip the animals. Rams Roger and Hamish battle for dominance, while Sally the hen flies the coop. Also available in HDR.

The farm animals settle for the shortest days of the year. To stave off boredom, the cows enjoy holiday treats and a concert. Also available in HDR.

Follow the winding path across the stunning Drakensberg mountains, one of Africa's great landscapes and home to countless animals.

A pair of Mueller's gibbons develop a taste for the high life in the treetops, and a specialist doctor is called in when Freddy's bowel complaint fails to improve.

Alison visits Dao Tien island in Vietnam, the site of Monkey World's foreign sanctuary for endangered primates. The team set out to free two rare monkeys, too.

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

Venture deep into the Pantanal, the world's largest tropical wetland. There, nature spins a great web of diversity, from capuchin monkeys to the lowland tapir.

Check out the bowerbird's funky dance moves, the Christmas Island crab's traffic-dodging prowess and the sockeye salmon's incredible swimming skills.

Steve Backshall explores our changing understanding of whales, how much we have in common with them and how we can better protect them.

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.

A pair of Mueller's gibbons develop a taste for the high life in the treetops, and a specialist doctor is called in when Freddy's bowel complaint fails to improve.

Alison visits Dao Tien island in Vietnam, the site of Monkey World's foreign sanctuary for endangered primates. The team set out to free two rare monkeys, too.

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

Venture deep into the Pantanal, the world's largest tropical wetland. There, nature spins a great web of diversity, from capuchin monkeys to the lowland tapir.

Check out the bowerbird's funky dance moves, the Christmas Island crab's traffic-dodging prowess and the sockeye salmon's incredible swimming skills.

Join young female leopard Asha as she fights for territory, finds a mate and becomes a mother in the shadowy forests of Yala National Park.

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.

A pair of Mueller's gibbons develop a taste for the high life in the treetops, and a specialist doctor is called in when Freddy's bowel complaint fails to improve.

Alison visits Dao Tien island in Vietnam, the site of Monkey World's foreign sanctuary for endangered primates. The team set out to free two rare monkeys, too.

Connections: Frolic with whales, float through seaweed islands and map out the ecological links, migratory pathways and interspecies bonds that conserve Ningaloo's biodiversity.

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.

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.

Join young female leopard Asha as she fights for territory, finds a mate and becomes a mother in the shadowy forests of Yala National Park.

Steve Backshall explores our changing understanding of whales, how much we have in common with them and how we can better protect them.

Follow the winding path across the stunning Drakensberg mountains, one of Africa's great landscapes and home to countless animals.

Connections: Frolic with whales, float through seaweed islands and map out the ecological links, migratory pathways and interspecies bonds that conserve Ningaloo's biodiversity.

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.

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

Venture deep into the Pantanal, the world's largest tropical wetland. There, nature spins a great web of diversity, from capuchin monkeys to the lowland tapir.

Voyage high into the mountain sky and discover the Cloud Mountains of South Africa, a hidden world that serves as a window to an ancient time.

The park is saddened by the death of alpha male capuchin Tom, and a balding macaque receives protection from his troop's over-enthusiastic grooming.

In a dramatic final episode, Alison springs into action when an adult female chimp in Mexico urgently needs the team's help. Kai tries his hand at being independent.

Stretching more than 600 miles, Chile's Atacama Desert is the world's driest non-polar region. From menacing volcanoes to resplendent flamingos, it is truly unique.

Every year, the southern wetlands of the Pantanal become a bird paradise, as over 650 incredible species congregate there for breeding season.

Discover fireflies' flirty flashes, the tarsier's incredible night vision, the mantis shrimp' punch and the saltwater croc's prey-detecting sensors.

Steve encounters the largest hunters on the planet, revealing how their ingenious hunting strategies can cause trouble.

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

The park is saddened by the death of alpha male capuchin Tom, and a balding macaque receives protection from his troop's over-enthusiastic grooming.

In a dramatic final episode, Alison springs into action when an adult female chimp in Mexico urgently needs the team's help. Kai tries his hand at being independent.

Stretching more than 600 miles, Chile's Atacama Desert is the world's driest non-polar region. From menacing volcanoes to resplendent flamingos, it is truly unique.

Every year, the southern wetlands of the Pantanal become a bird paradise, as over 650 incredible species congregate there for breeding season.

Discover fireflies' flirty flashes, the tarsier's incredible night vision, the mantis shrimp' punch and the saltwater croc's prey-detecting sensors.

Journey to Minneriya National Park, where baby elephant Loka has just been born. Watch as he learns to suckle, swim and handle his trunk.

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

The park is saddened by the death of alpha male capuchin Tom, and a balding macaque receives protection from his troop's over-enthusiastic grooming.

In a dramatic final episode, Alison springs into action when an adult female chimp in Mexico urgently needs the team's help. Kai tries his hand at being independent.

Storm into a new suburb, where the wranglers keep deadly snakes from slipping into family homes.

Tread carefully as Jess and Dan extract a python from a play area and get spooked when a chicken-hunting python squashes Liv's hand during a tense rescue.

Dive to the darkest depths of the sea to uncover the ocean's most mysterious inhabitants and journey across vast stretches of open water with humpback whales.

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

Journey to Minneriya National Park, where baby elephant Loka has just been born. Watch as he learns to suckle, swim and handle his trunk.

Steve encounters the largest hunters on the planet, revealing how their ingenious hunting strategies can cause trouble.

Voyage high into the mountain sky and discover the Cloud Mountains of South Africa, a hidden world that serves as a window to an ancient time.

Storm into a new suburb, where the wranglers keep deadly snakes from slipping into family homes.

Tread carefully as Jess and Dan extract a python from a play area and get spooked when a chicken-hunting python squashes Liv's hand during a tense rescue.

Dive to the darkest depths of the sea to uncover the ocean's most mysterious inhabitants and journey across vast stretches of open water with humpback whales.

Stretching more than 600 miles, Chile's Atacama Desert is the world's driest non-polar region. From menacing volcanoes to resplendent flamingos, it is truly unique.

Every year, the southern wetlands of the Pantanal become a bird paradise, as over 650 incredible species congregate there for breeding season.

The wildlife of South Africa's coastline face a gruelling challenge as they navigate the area's severe, yet beautiful, landscape.

Series three begins with 88 capuchin monkeys waking up to their first morning at Monkey World. The park's naughtiest resident, meanwhile, butts heads with an alpha male.

Wildlife vet John Lewis is given a run for his money when he tries to sedate two excitable chimps. Plus, the male capuchins get used to life together.

The crowning jewel of Bolivia is the extraordinary Salar de Uyuni, a salt flat so white that it can be seen from space. But what else lies in the South American country.

In the heart of the Pantanal wetlands lies a region so remote that it is almost entirely unvisited. 300 pig-like peccaries call this unique place their home.

Admire the great white shark's electrical sensors, the razor-sharp limbs of the dead leaf mantis and the zombie-creating powers of cordyceps fungi.

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

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

Series three begins with 88 capuchin monkeys waking up to their first morning at Monkey World. The park's naughtiest resident, meanwhile, butts heads with an alpha male.

Wildlife vet John Lewis is given a run for his money when he tries to sedate two excitable chimps. Plus, the male capuchins get used to life together.

The crowning jewel of Bolivia is the extraordinary Salar de Uyuni, a salt flat so white that it can be seen from space. But what else lies in the South American country.

In the heart of the Pantanal wetlands lies a region so remote that it is almost entirely unvisited. 300 pig-like peccaries call this unique place their home.

Admire the great white shark's electrical sensors, the razor-sharp limbs of the dead leaf mantis and the zombie-creating powers of cordyceps fungi.

Sri Lanka's lowlands are full of seemingly peaceful lakes, but don't be fooled, this is the mugger crocodile's realm - a predator that competes in the fierce heat.

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

Series three begins with 88 capuchin monkeys waking up to their first morning at Monkey World. The park's naughtiest resident, meanwhile, butts heads with an alpha male.

Wildlife vet John Lewis is given a run for his money when he tries to sedate two excitable chimps. Plus, the male capuchins get used to life together.

Moonlit Romance: From frozen Arctic tundra to tropical seas, the Moon's rhythms ignite nature's most intimate, dazzling and life-giving love stories.

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

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

Sri Lanka's lowlands are full of seemingly peaceful lakes, but don't be fooled, this is the mugger crocodile's realm - a predator that competes in the fierce heat.

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

The wildlife of South Africa's coastline face a gruelling challenge as they navigate the area's severe, yet beautiful, landscape.

Moonlit Romance: From frozen Arctic tundra to tropical seas, the Moon's rhythms ignite nature's most intimate, dazzling and life-giving love stories.

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

The crowning jewel of Bolivia is the extraordinary Salar de Uyuni, a salt flat so white that it can be seen from space. But what else lies in the South American country.

In the heart of the Pantanal wetlands lies a region so remote that it is almost entirely unvisited. 300 pig-like peccaries call this unique place their home.

Parts of South Africa face a punishing ten-month drought, followed by a flurry of rain. It's a blessing for the resilient inhabitants.

The team step in when Ben is injured by the alpha male during the chimp introduction. Orangutan Hsiao-Quai struggles with her ever-growing son, too.

A four-month-old woolly monkey is hand-reared and, in the endangered golden-cheeked gibbons' enclosure, excitement bubbles when news breaks that Zoey may be pregnant.

Zion National Park is one of the world's most spectacular and unforgiving natural landscapes - a 100,000-square-mile labyrinth of deep canyons and intimidating walls.

The magnificent jaguar is the largest cat in all of the Americas. In Brazil, it reigns over a magical land filled with natural beauty and diversity.

Explore the partnership between clownfish and anemones and review the quid-pro-poo agreements of dung beetles and pitcher plants.

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

The Belize Barrier Reef is the second-largest coral reef in the world, and its waters are home to a remarkable marine ecosystem that includes rare and exotic fish.

The team step in when Ben is injured by the alpha male during the chimp introduction. Orangutan Hsiao-Quai struggles with her ever-growing son, too.

A four-month-old woolly monkey is hand-reared and, in the endangered golden-cheeked gibbons' enclosure, excitement bubbles when news breaks that Zoey may be pregnant.

Zion National Park is one of the world's most spectacular and unforgiving natural landscapes - a 100,000-square-mile labyrinth of deep canyons and intimidating walls.

The magnificent jaguar is the largest cat in all of the Americas. In Brazil, it reigns over a magical land filled with natural beauty and diversity.

Explore the partnership between clownfish and anemones and review the quid-pro-poo agreements of dung beetles and pitcher plants.

A manmade lake in Minneriya National Park supports Asia's largest concentration of elephants. Follow a young male who has reached a turning point towards adulthood.

The Belize Barrier Reef is the second-largest coral reef in the world, and its waters are home to a remarkable marine ecosystem that includes rare and exotic fish.

The team step in when Ben is injured by the alpha male during the chimp introduction. Orangutan Hsiao-Quai struggles with her ever-growing son, too.

A four-month-old woolly monkey is hand-reared and, in the endangered golden-cheeked gibbons' enclosure, excitement bubbles when news breaks that Zoey may be pregnant.

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.

Storm into a new suburb, where the wranglers keep deadly snakes from slipping into family homes.

Tread carefully as Jess and Dan extract a python from a play area and get spooked when a chicken-hunting python squashes Liv's hand during a tense rescue.

The Belize Barrier Reef is the second-largest coral reef in the world, and its waters are home to a remarkable marine ecosystem that includes rare and exotic fish.

A manmade lake in Minneriya National Park supports Asia's largest concentration of elephants. Follow a young male who has reached a turning point towards adulthood.

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

Parts of South Africa face a punishing ten-month drought, followed by a flurry of rain. It's a blessing for the resilient inhabitants.

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.

Storm into a new suburb, where the wranglers keep deadly snakes from slipping into family homes.

Tread carefully as Jess and Dan extract a python from a play area and get spooked when a chicken-hunting python squashes Liv's hand during a tense rescue.

Zion National Park is one of the world's most spectacular and unforgiving natural landscapes - a 100,000-square-mile labyrinth of deep canyons and intimidating walls.

The magnificent jaguar is the largest cat in all of the Americas. In Brazil, it reigns over a magical land filled with natural beauty and diversity.

De Hoop Nature Park is helping to bring countless endangered species back from the brink of extinction, from the bontebok to the southern right whale.

Resident capuchin TJ stirs up trouble when he joins the new Chilean arrivals. The chimps from Hananya's group, meanwhile, get their teeth cleaned.

A big decision must be made when alpha male Hananya continues to exhibit violent behaviour. Chimps Simon and Eveline, meanwhile, compete in a swing-off.

From sweeping canyons bound by towering cliffs, to fossilised dunes striped in desert red, Arizona's Paria Plateau is a true geological marvel.

In the Pantanal, the wonderful ocelot appears to be making a comeback. A team of scientists try to figure out the clues to its resurgence.

Watch the cannibalistic Portia spider devour the competition, uncover the bloodthirsty side of cuddly koalas and catch an epic giraffe battle.

Patrick Aryee looks at how single offspring depend on one critical life companion - their mother, who will go to extraordinary lengths to care for them.

Dive into the crystal clear waters of Cozumel, a lush Caribbean paradise that hides the world's largest subterranean underwater cave system.

Resident capuchin TJ stirs up trouble when he joins the new Chilean arrivals. The chimps from Hananya's group, meanwhile, get their teeth cleaned.

A big decision must be made when alpha male Hananya continues to exhibit violent behaviour. Chimps Simon and Eveline, meanwhile, compete in a swing-off.

From sweeping canyons bound by towering cliffs, to fossilised dunes striped in desert red, Arizona's Paria Plateau is a true geological marvel.

In the Pantanal, the wonderful ocelot appears to be making a comeback. A team of scientists try to figure out the clues to its resurgence.

Watch the cannibalistic Portia spider devour the competition, uncover the bloodthirsty side of cuddly koalas and catch an epic giraffe battle.

Monsoon storms sweep over the tropical island of Sri Lanka, beginning a journey through the many changing faces of the island's forests.

Dive into the crystal clear waters of Cozumel, a lush Caribbean paradise that hides the world's largest subterranean underwater cave system.

Resident capuchin TJ stirs up trouble when he joins the new Chilean arrivals. The chimps from Hananya's group, meanwhile, get their teeth cleaned.

A big decision must be made when alpha male Hananya continues to exhibit violent behaviour. Chimps Simon and Eveline, meanwhile, compete in a swing-off.

Dive to the darkest depths of the sea to uncover the ocean's most mysterious inhabitants and journey across vast stretches of open water with humpback whales.

Moonlit Romance: From frozen Arctic tundra to tropical seas, the Moon's rhythms ignite nature's most intimate, dazzling and life-giving love stories.

Dive into the crystal clear waters of Cozumel, a lush Caribbean paradise that hides the world's largest subterranean underwater cave system.

Monsoon storms sweep over the tropical island of Sri Lanka, beginning a journey through the many changing faces of the island's forests.

Patrick Aryee looks at how single offspring depend on one critical life companion - their mother, who will go to extraordinary lengths to care for them.

De Hoop Nature Park is helping to bring countless endangered species back from the brink of extinction, from the bontebok to the southern right whale.

Dive to the darkest depths of the sea to uncover the ocean's most mysterious inhabitants and journey across vast stretches of open water with humpback whales.

Moonlit Romance: From frozen Arctic tundra to tropical seas, the Moon's rhythms ignite nature's most intimate, dazzling and life-giving love stories.

From sweeping canyons bound by towering cliffs, to fossilised dunes striped in desert red, Arizona's Paria Plateau is a true geological marvel.

In the Pantanal, the wonderful ocelot appears to be making a comeback. A team of scientists try to figure out the clues to its resurgence.

Across the world, dogs are saving lives. At a South African airport, bird-chasing border collies are preventing potentially devastating collisions with aircraft.

Meet Winston, an abandoned cub who bonds with Judy as she nurses him, and then she heartbreakingly has to teach him independence.

Get to know a trio of starving orphans who turn Winston's world upside down before gentle Xola teaches him a lesson about friendship.

Bone up on outdoor skills as Winston and the X girls move into their new enclosure and witness Yasmine and Yara's kindergarten power struggle.

Storm into a new suburb, where the wranglers keep deadly snakes from slipping into family homes.

Tread carefully as Jess and Dan extract a python from a play area and get spooked when a chicken-hunting python squashes Liv's hand during a tense rescue.

Dive to the darkest depths of the sea to uncover the ocean's most mysterious inhabitants and journey across vast stretches of open water with humpback whales.

Moonlit Romance: From frozen Arctic tundra to tropical seas, the Moon's rhythms ignite nature's most intimate, dazzling and life-giving love stories.

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.

In the wild, the battle for survival is intense and unforgiving. Death by predation or starvation is always around the corner and creatures must adapt - or die.

Meet some of the bizarre and amazing animals that live under the sea. This unique environment has put them on an evolutionary path full of twists and turns.

See the animals whose body parts give them a vital edge - including the wonderpus octopus, the axolotl and the aye aye.

Frankly, a lot of insects are largely misunderstood. But a closer look at these crawling creatures reveals their amazing ingenuity.

Through time, different animals have evolved an amazing variety of colours, patterns, and shapes that help them hunt, hide, and defend themselves.

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.

Filmed on the sub-Antarctic island of South Georgia over a period of five months, Sir David Attenborough's immersive documentary explores the extraordinary lives of king penguins.

As Sir David Attenborough turns 90, this intimate film presents new interviews, behind-the-scenes footage and extraordinary clips.

Insects are a virtually unlimited food source for cunning predators. Discover the highly developed skills of dragonflies, scorpions, Venus flytraps, and more.

Hunting is a means of survival, and creatures such as the stealthy tarantula and the prehistoric Komodo dragon have developed deadly adaptations.

Get to know Fera, the Queen of the Pantanal, as she teaches her rambunctious cub Simba how to climb trees and hunt for dinner.

Check out some of the most remarkable bonds between man and dog in a special look at incredible human and canine partnerships.