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.

It's the end of November in the Luangwa Valley, and the rains have begun, ending a brutal dry season and beginning the transition to luscious wetland.

As the dry season takes hold in Luangwa Valley, lagoons dry up and verdant grasslands will gradually turn to dust. Animals must take advantage while they can.

South Luangwa National Park is one of Africa's great wild places. The life of every animal is linked to the two vastly different seasons - the wet and the dry.

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

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.

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.

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.

Meet one very strange plant, as well as four smelly creatures whose fame comes from their bad toilet etiquette.

The weirdest-looking birds are often also the most incredible survivors. Check out the winged weirdos whose strange looks keep them alive.

Some of the most hideous animals in the world owe their survival to their bad looks. They may be grotesque but their evolution is amazing.

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.

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

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.

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.

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.

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.

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.

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.

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

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

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

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.

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.

Explore the historic home of an extraordinary family of birds of prey in a look at the wildlife living in the nature reserve surrounding Germany's Heidelberg Castle.

A baby chimp tries to prove he is grown up enough to go it alone. The Bachelor Boys' reputation, meanwhile, takes a hit when they become frightened of a new toy.

Celebrations are in order when golden-cheeked gibbon Zoey introduces a new member of the family. The mood sours, though, after a fight breaks out among the capuchins.

Lurking in the waterways of Queensland and the Northern Territory, crocodiles are one of Australia's most successful - and deadly - creatures.

Rain welcomes baby meerkats to the Kalahari. The arrival of spring in eastern Australia ignites the passions of everything from kangaroos to humpback whales.

Barkley the Great Dane is the 'ranch manager' at a horse and donkey rescue ranch in California. Barkley's special skill is as a horse whisperer.

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.

The predator/prey relationship is a delicate balance in the Rockies. This film heads to the Kootenay area, where elk and moose live alongside bears and wolves.

A baby chimp tries to prove he is grown up enough to go it alone. The Bachelor Boys' reputation, meanwhile, takes a hit when they become frightened of a new toy.

Celebrations are in order when golden-cheeked gibbon Zoey introduces a new member of the family. The mood sours, though, after a fight breaks out among the capuchins.

Lurking in the waterways of Queensland and the Northern Territory, crocodiles are one of Australia's most successful - and deadly - creatures.

Rain welcomes baby meerkats to the Kalahari. The arrival of spring in eastern Australia ignites the passions of everything from kangaroos to humpback whales.

Barkley the Great Dane is the 'ranch manager' at a horse and donkey rescue ranch in California. Barkley's special skill is as a horse whisperer.

A curious raccoon sticks his head a little too far into a peanut butter jar on a sweltering summer day in Toronto. See how the team gets him out of this sticky situation.

Go with the rescue crew on a house call to a sleepy horse barn, where a fox with an irritating skin condition is staying up in an old stall.

The predator/prey relationship is a delicate balance in the Rockies. This film heads to the Kootenay area, where elk and moose live alongside bears and wolves.

A baby chimp tries to prove he is grown up enough to go it alone. The Bachelor Boys' reputation, meanwhile, takes a hit when they become frightened of a new toy.

Celebrations are in order when golden-cheeked gibbon Zoey introduces a new member of the family. The mood sours, though, after a fight breaks out among the capuchins.

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.

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 predator/prey relationship is a delicate balance in the Rockies. This film heads to the Kootenay area, where elk and moose live alongside bears and wolves.

A curious raccoon sticks his head a little too far into a peanut butter jar on a sweltering summer day in Toronto. See how the team gets him out of this sticky situation.

Go with the rescue crew on a house call to a sleepy horse barn, where a fox with an irritating skin condition is staying up in an old stall.

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.

Explore the historic home of an extraordinary family of birds of prey in a look at the wildlife living in the nature reserve surrounding Germany's Heidelberg Castle.

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.

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.

Lurking in the waterways of Queensland and the Northern Territory, crocodiles are one of Australia's most successful - and deadly - creatures.

Rain welcomes baby meerkats to the Kalahari. The arrival of spring in eastern Australia ignites the passions of everything from kangaroos to humpback whales.

Flocks of birds, families of wild boar and armies of insects thrive in and around this centuries-old fortress. And years of human inhabitants haven't put them off.

Baby woolly monkey Paulo meets his new family for the first time, and pregnant orangutan Amy gets to grips with a breast pump.

A shock is in store for chimps Ben and Pip when they have another encounter with Hananya. Piquita, meanwhile, is the centre of attention in the woolly monkey enclosure.

Hiding in Australia's twilight, these fruit-eating bats are famous for their social nature and huge wingspans.

New & Exclusive. Millions of monarch butterflies converge in the forests of Mexico. The Arctic skies blaze with the aurora borealis as Earth completes its annual cycle.

It's well known that before starting a family some preliminary steps are required. the same as with nature! Here, discover how this love thing works in the animal kingdom.

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.

A look at how some creatures manage to defy gravity among some of the highest peaks on the continent, where the air is thin and cold and even trees can't survive.

Baby woolly monkey Paulo meets his new family for the first time, and pregnant orangutan Amy gets to grips with a breast pump.

A shock is in store for chimps Ben and Pip when they have another encounter with Hananya. Piquita, meanwhile, is the centre of attention in the woolly monkey enclosure.

Hiding in Australia's twilight, these fruit-eating bats are famous for their social nature and huge wingspans.

New & Exclusive. Millions of monarch butterflies converge in the forests of Mexico. The Arctic skies blaze with the aurora borealis as Earth completes its annual cycle.

It's well known that before starting a family some preliminary steps are required. the same as with nature! Here, discover how this love thing works in the animal kingdom.

A baby raccoon is separated from his family and the rehabilitation team want to get him fixed up and back to the wild before his family moves on.

Join the rescue team as they care for a rabbit who may have been hit by a car. Plus, a muskrat gets stuck in a fence, while a goose is released.

A look at how some creatures manage to defy gravity among some of the highest peaks on the continent, where the air is thin and cold and even trees can't survive.

Baby woolly monkey Paulo meets his new family for the first time, and pregnant orangutan Amy gets to grips with a breast pump.

A shock is in store for chimps Ben and Pip when they have another encounter with Hananya. Piquita, meanwhile, is the centre of attention in the woolly monkey enclosure.

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.

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.

A look at how some creatures manage to defy gravity among some of the highest peaks on the continent, where the air is thin and cold and even trees can't survive.

A baby raccoon is separated from his family and the rehabilitation team want to get him fixed up and back to the wild before his family moves on.

Join the rescue team as they care for a rabbit who may have been hit by a car. Plus, a muskrat gets stuck in a fence, while a goose is released.

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.

Flocks of birds, families of wild boar and armies of insects thrive in and around this centuries-old fortress. And years of human inhabitants haven't put them off.

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.

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.

Hiding in Australia's twilight, these fruit-eating bats are famous for their social nature and huge wingspans.

New & Exclusive. Millions of monarch butterflies converge in the forests of Mexico. The Arctic skies blaze with the aurora borealis as Earth completes its annual cycle.

In Slovenia lies the world's largest castle that's carved into a cave - a subterranean haven for the region's birds, boars and mountain goats.

Nerves jangle as pregnant woolly monkey Piquita approaches her due date. The life of ruffed lemur Blue, however, hangs in the balance.

A baby woolly monkey is tempted into the outside world by a banquet of tasty bugs. The keepers, meanwhile, plan a third meeting between Ben and Hananya.

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.

The moment in which children face the world is a true madness and it's exactly the same with nature! Here, explore what it is like to be a parent in the animal kingdom.

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.

A look at the lakes, rivers and marshes of the Rockies, which flow through the landscape and feed the creatures that call the mountains home.

Nerves jangle as pregnant woolly monkey Piquita approaches her due date. The life of ruffed lemur Blue, however, hangs in the balance.

A baby woolly monkey is tempted into the outside world by a banquet of tasty bugs. The keepers, meanwhile, plan a third meeting between Ben and Hananya.

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.

The moment in which children face the world is a true madness and it's exactly the same with nature! Here, explore what it is like to be a parent in the animal kingdom.

Some snapping turtles are ready to be released back to the wild. Meanwhile, a milk snake comes in with a cat bite, and an injured opossum is found in a park.

Meet a flock of cedar waxwings who have taken over the centre's aviary and are keeping the staff busy with endless demands for food.

A look at the lakes, rivers and marshes of the Rockies, which flow through the landscape and feed the creatures that call the mountains home.

Nerves jangle as pregnant woolly monkey Piquita approaches her due date. The life of ruffed lemur Blue, however, hangs in the balance.

A baby woolly monkey is tempted into the outside world by a banquet of tasty bugs. The keepers, meanwhile, plan a third meeting between Ben and Hananya.

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

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

A look at the lakes, rivers and marshes of the Rockies, which flow through the landscape and feed the creatures that call the mountains home.

Some snapping turtles are ready to be released back to the wild. Meanwhile, a milk snake comes in with a cat bite, and an injured opossum is found in a park.

Meet a flock of cedar waxwings who have taken over the centre's aviary and are keeping the staff busy with endless demands for food.

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.

In Slovenia lies the world's largest castle that's carved into a cave - a subterranean haven for the region's birds, boars and mountain goats.

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

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

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.