Elephants living in Tanzania.

Trek across the Namibian desert with the bush elephant and learn how it keeps its cool in a place with little food or shade; discover how this giant consumes specific plants, digs wells and hikes endless dunes in a quest to find precious water.

Rescued orphan Josh needs his broken wrist examined by the school vets, while Beni has a trip to the dentist to treat his bad breath.

Observe the fragile and evolving friendship between humans and elephants.

Elephants living in Tanzania.

Trek across the Namibian desert with the bush elephant and learn how it keeps its cool in a place with little food or shade; discover how this giant consumes specific plants, digs wells and hikes endless dunes in a quest to find precious water.

The Hudson Bay lowlands are critical to life in North America.

An in-depth look at the American shad on its epic journey upstream, back to its fresh water birthplace to spawn.

The bald eagle reigns supreme as the ultimate predator above the waters of Bras d'Or Lake on Canada's eastern shore.

Hope learns all she can from a birds of prey rehab.

The Hudson Bay lowlands are critical to life in North America.

An in-depth look at the American shad on its epic journey upstream, back to its fresh water birthplace to spawn.

The bald eagle reigns supreme as the ultimate predator above the waters of Bras d'Or Lake on Canada's eastern shore.

The babysitters try to get Beni's diet under control; Malika shows off her passion for fashion; Darryl and Syahrini get steamy in the treetops; Cinta makes a watery discovery; two new babies arrive, one of whom is emaciated.

The Hudson Bay lowlands are critical to life in North America.

The ultimate battle for dominance as scientists try to pick out the alpha male in a pack of 100-plus great white sharks off the New Zealand coast.

Witness a shark competition unlike any other, where great whites go head-to-head in jaw-dropping tests of strength. Risk it all with shark specialist Dr. Riley Elliott as he tries to answer an age-old question: Which sex reigns supreme?

Revisiting the Savute Marsh's pride of lions in Southern Africa, who re-wrote the laws of nature and started to hunt elephants in order to stave off starvation and survive.

Soar with Earth's fastest animal, the peregrine falcon, as it reaches mind-bending speeds of over 240 mph. Meet city falcons in Chicago, see handler Lloyd Buck test a feathered family, and find out if Rudi the peregrine can outpace an Olympic skier.

Observe the fragile and evolving friendship between humans and elephants.

Elephants living in Tanzania.

Trek across the Namibian desert with the bush elephant and learn how it keeps its cool in a place with little food or shade; discover how this giant consumes specific plants, digs wells and hikes endless dunes in a quest to find precious water.

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

Gordon Buchanan must overcome his own fear, black bears have a dangerous reputation and attack more people than any other bear in the world, but once he meets Lily, a tolerant bear, mother of Hope, Gordon feels heartbroken.

Tackling pet hoarding and a deadly snake.

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

Gordon Buchanan must overcome his own fear, black bears have a dangerous reputation and attack more people than any other bear in the world, but once he meets Lily, a tolerant bear, mother of Hope, Gordon feels heartbroken.

Tackling pet hoarding and a deadly snake.

The babysitters try to get Beni's diet under control; Malika shows off her passion for fashion; Darryl and Syahrini get steamy in the treetops; Cinta makes a watery discovery; two new babies arrive, one of whom is emaciated.

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

Gordon Buchanan must overcome his own fear, black bears have a dangerous reputation and attack more people than any other bear in the world, but once he meets Lily, a tolerant bear, mother of Hope, Gordon feels heartbroken.

Tackling pet hoarding and a deadly snake.

The Yukon is one of earths last true wildernesses.

A plethora of creatures seek refuge from the rise and fall of the tide in Duncan's Cove and the Bay of Fundy.

A look at two very different insect species showcasing their expert pollination skills at Nova Scotia's Annapolis Valley; honey bees and monarch butterflies.

Gators, tortoises and stunning seabirds of southwest Florida.

The Yukon is one of earths last true wildernesses.

A plethora of creatures seek refuge from the rise and fall of the tide in Duncan's Cove and the Bay of Fundy.

A look at two very different insect species showcasing their expert pollination skills at Nova Scotia's Annapolis Valley; honey bees and monarch butterflies.

Difficult quarantine student Taymur has a breakthrough and starts to embrace his jungle school lesson; serial truant Luthy skips class again and gives the staff a run for their money.

The Yukon is one of earths last true wildernesses.

Mountains are some of the most challenging places for animals to live. Mountain babies must battle extreme weather and hungry predators. With food difficult to find, they have to work hard for every mouthful.

Revealing the extraordinary strategies monkeys, apes and lemurs must use to survive in the most unexpected places; from baboons facing down a leopard to rhesus macaques charming their way to an easy life, meet the primates solving life's problems.

Meeting a female spider monkey elder, who leads her troop to a unique food resource, aquatic plants brought within reach on raging floodwaters; she shows them how, using their remarkable tails as a safety rope, they can feast on this bounty.

Today, more than half of the world's primates are under threat of extinction; meeting the scientists making discoveries about this animal family, and the people safeguarding their future.

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

Gordon Buchanan must overcome his own fear, black bears have a dangerous reputation and attack more people than any other bear in the world, but once he meets Lily, a tolerant bear, mother of Hope, Gordon feels heartbroken.

Tackling pet hoarding and a deadly snake.

An island of the coast of Honduras stands out as a holiday resort hot spot, and more than just sun and sand brings the tourists in droves; divers consider the island a paradise of shipwrecks scattered from all corners of the the island to explore.

Descend into the tide pool, where a hermit crab house hunts; a baby catshark runs into strange neighbors; an octopus terrorizes prey; watch seagulls and other creatures hunt on the surface as the heat rises and oxygen depletes in the pool.

The sun sets and predators prowl around the pool before the tide finally rolls in; persevere as night falls with a kleptomaniacal slug and an acrobatic scallop; a pair of sneaky crabs take a dangerous shot at romance.

An island of the coast of Honduras stands out as a holiday resort hot spot, and more than just sun and sand brings the tourists in droves; divers consider the island a paradise of shipwrecks scattered from all corners of the the island to explore.

Descend into the tide pool, where a hermit crab house hunts; a baby catshark runs into strange neighbors; an octopus terrorizes prey; watch seagulls and other creatures hunt on the surface as the heat rises and oxygen depletes in the pool.

The sun sets and predators prowl around the pool before the tide finally rolls in; persevere as night falls with a kleptomaniacal slug and an acrobatic scallop; a pair of sneaky crabs take a dangerous shot at romance.

Difficult quarantine student Taymur has a breakthrough and starts to embrace his jungle school lesson; serial truant Luthy skips class again and gives the staff a run for their money.

An island of the coast of Honduras stands out as a holiday resort hot spot, and more than just sun and sand brings the tourists in droves; divers consider the island a paradise of shipwrecks scattered from all corners of the the island to explore.

Descend into the tide pool, where a hermit crab house hunts; a baby catshark runs into strange neighbors; an octopus terrorizes prey; watch seagulls and other creatures hunt on the surface as the heat rises and oxygen depletes in the pool.

The sun sets and predators prowl around the pool before the tide finally rolls in; persevere as night falls with a kleptomaniacal slug and an acrobatic scallop; a pair of sneaky crabs take a dangerous shot at romance.

It's November at Cape Tatnam, and though winter is coming to the lower Western shore of Hudson Bay, the ice, which should be forming by now, is nowhere to be seen.

Animals that survive in cities.

Cape Breton Highlands National Park faces destruction by various species.

Hope and Barry travel to Texas where not everyone agrees on how to help wildlife.

It's November at Cape Tatnam, and though winter is coming to the lower Western shore of Hudson Bay, the ice, which should be forming by now, is nowhere to be seen.

Animals that survive in cities.

Cape Breton Highlands National Park faces destruction by various species.

Six graduates from jungle school are finally set to be freed into the wild from the pre-release islands after an arduous journey by road and river into the heart of Borneo.

It's November at Cape Tatnam, and though winter is coming to the lower Western shore of Hudson Bay, the ice, which should be forming by now, is nowhere to be seen.

Humpbacks and whale sharks visit the coast of Mozambique.

Dive to the dark depths of the sea to uncover the ocean's mysterious inhabitants; journey across vast stretches of open water with humpback whales, then wander down to the ocean floor to witness breathtaking bioluminescence.

Scientists and Traditional Owners map out ecological links, migratory pathways and interspecies bonds that conserve Ningaloo's biodiversity; frolic with whales, float among seaweed islands and see archaeologists nix a settler myth.

The Canary Islands are a whale paradise.

Cape Breton Highlands National Park faces destruction by various species.

Descend into the tide pool, where a hermit crab house hunts; a baby catshark runs into strange neighbors; an octopus terrorizes prey; watch seagulls and other creatures hunt on the surface as the heat rises and oxygen depletes in the pool.

The sun sets and predators prowl around the pool before the tide finally rolls in; persevere as night falls with a kleptomaniacal slug and an acrobatic scallop; a pair of sneaky crabs take a dangerous shot at romance.

Rescue officers use a technique called flagging to nab a koala with dangerously inflamed eyes; vet Tim soothes burned possum feet; vet Karina examines a half-drowned platypus before referring him to a specialist.

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

The species that call Lake Malawi home have evolved.

Rescue officers use a technique called flagging to nab a koala with dangerously inflamed eyes; vet Tim soothes burned possum feet; vet Karina examines a half-drowned platypus before referring him to a specialist.

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

The species that call Lake Malawi home have evolved.

Six graduates from jungle school are finally set to be freed into the wild from the pre-release islands after an arduous journey by road and river into the heart of Borneo.

Rescue officers use a technique called flagging to nab a koala with dangerously inflamed eyes; vet Tim soothes burned possum feet; vet Karina examines a half-drowned platypus before referring him to a specialist.

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

The species that call Lake Malawi home have evolved.

An illustration of how the Arctic springs to life after nearly seven months in total darkness.

Marshes and bogs are home to the endangered Blanding's Turtle, but the habitat is disappearing.

The complicated relationships of crustaceans.

Traveling to San Diego, Hope and Allison look to learn how to handle huge caseloads and dangerous animals.

An illustration of how the Arctic springs to life after nearly seven months in total darkness.

Marshes and bogs are home to the endangered Blanding's Turtle, but the habitat is disappearing.

The complicated relationships of crustaceans.

Big changes are afoot for some of the pupils at Orangutan Jungle School, where orphaned orangutans learn the forest skills they need to survive in the wild; four new arrivals join the nursery classes and some familiar faces move up a grade.

An illustration of how the Arctic springs to life after nearly seven months in total darkness.

In the vast Canadian wilderness there lives a very special bear family; just out of hibernation, two black cubs have a pure white mother; she's not a polar bear or albino, locally she's known as a ghost bear.

In the Arizona desert, a new honey ant queen attempts to build and defend her empire; she uses murder, cannibalism and genocide in her quest for domination.

Brolga shares his tin shack with three joeys he hopes to return to the wild.

In central Australia, Brolga, the world's most famous kangaroo mum, learns what it takes to look after his extended animal family; the three emu chicks begin to wreak havoc and the camels are rapidly outgrowing their backyard enclosure.

Rescue officers use a technique called flagging to nab a koala with dangerously inflamed eyes; vet Tim soothes burned possum feet; vet Karina examines a half-drowned platypus before referring him to a specialist.

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

The species that call Lake Malawi home have evolved.

Discover a city lying beneath the waves, where commuters flood the coral reef's main highways.

Boning up on desert eats; flirting with lions; witnessing an elephant babysitters' club.

Stealing meals with frigate birds; visiting a warthog spa; cracking an elephant code.

Discover a city lying beneath the waves, where commuters flood the coral reef's main highways.

Boning up on desert eats; flirting with lions; witnessing an elephant babysitters' club.

Stealing meals with frigate birds; visiting a warthog spa; cracking an elephant code.

Big changes are afoot for some of the pupils at Orangutan Jungle School, where orphaned orangutans learn the forest skills they need to survive in the wild; four new arrivals join the nursery classes and some familiar faces move up a grade.

Discover a city lying beneath the waves, where commuters flood the coral reef's main highways.

Boning up on desert eats; flirting with lions; witnessing an elephant babysitters' club.

Stealing meals with frigate birds; visiting a warthog spa; cracking an elephant code.

Devon Island in Nunavut is the largest uninhabited island in the world; the icy landscape is so barren that NASA uses it to simulate conditions on Mars.

Wild horses and ponies on the last of France's overseas territory.

Invasive species like rabbits and starlings can have a negative impact on native species.

Incredible stories of wildlife rescue and rehabilitation.

Devon Island in Nunavut is the largest uninhabited island in the world; the icy landscape is so barren that NASA uses it to simulate conditions on Mars.

Wild horses and ponies on the last of France's overseas territory.

Invasive species like rabbits and starlings can have a negative impact on native species.

Recent nursery graduates Jelapat, Talaken, Bawan and Rona join their classmates at their new classroom; Dilla unexpectedly gives birth at midnight, but the delivery does not go smoothly.

Devon Island in Nunavut is the largest uninhabited island in the world; the icy landscape is so barren that NASA uses it to simulate conditions on Mars.

Hammerheads, Galapagos sharks, rays, and other species populate the waters of Cocos Island.

Stunning underwater video taken from the wildest expeditions of the world's greatest dive shops highlight the ocean's most spectacular species.

The Bahamas are surrounded by coral reefs and underwater caves with sharks, turtles, and dolphins.

Clear waters, deep reefs, and dangerous caves.

Discover a city lying beneath the waves, where commuters flood the coral reef's main highways.

Boning up on desert eats; flirting with lions; witnessing an elephant babysitters' club.

Stealing meals with frigate birds; visiting a warthog spa; cracking an elephant code.

At Liberia's only home for rescued chimpanzees, there are more new arrivals; Jimmy and Jenny Desmond and their team now have 28 chimps to look after, including an 8-week-old baby called Gaia.

Lizzie swims through coral reefs, digs for ancient fossils and treks through jungles on tropical shores; prowl with jaguars that stalk a Costa Rican beach and meet some big sharks.

Chris Packham reveals the intelligent cons and deceitful behavior that animals use to survive and prosper in the game of life, from disguising themselves to outwit predators, to kidnapping babies to save their own offspring.

At Liberia's only home for rescued chimpanzees, there are more new arrivals; Jimmy and Jenny Desmond and their team now have 28 chimps to look after, including an 8-week-old baby called Gaia.

Lizzie swims through coral reefs, digs for ancient fossils and treks through jungles on tropical shores; prowl with jaguars that stalk a Costa Rican beach and meet some big sharks.

Chris Packham reveals the intelligent cons and deceitful behavior that animals use to survive and prosper in the game of life, from disguising themselves to outwit predators, to kidnapping babies to save their own offspring.

Recent nursery graduates Jelapat, Talaken, Bawan and Rona join their classmates at their new classroom; Dilla unexpectedly gives birth at midnight, but the delivery does not go smoothly.

At Liberia's only home for rescued chimpanzees, there are more new arrivals; Jimmy and Jenny Desmond and their team now have 28 chimps to look after, including an 8-week-old baby called Gaia.

Lizzie swims through coral reefs, digs for ancient fossils and treks through jungles on tropical shores; prowl with jaguars that stalk a Costa Rican beach and meet some big sharks.

Chris Packham reveals the intelligent cons and deceitful behavior that animals use to survive and prosper in the game of life, from disguising themselves to outwit predators, to kidnapping babies to save their own offspring.

Inside the Mackenzie Delta, a transition zone of the boreal forest to the frozen tundra.

Canada's east coast experiences all four seasons.

Overpopulation of deer in Hampton, N.B.

It is Hope's open house and with it brings incredible releases; Hope hears news that will change everything.

Inside the Mackenzie Delta, a transition zone of the boreal forest to the frozen tundra.

Canada's east coast experiences all four seasons.

Overpopulation of deer in Hampton, N.B.

Beni and Lala are confined to the clinic following an accident; bullied Kesi causes concern for the team; Clara and her daughter, Clarita, are chosen for release back into the wild.

Inside the Mackenzie Delta, a transition zone of the boreal forest to the frozen tundra.

The two top carnivore species.

An old Leopard struggles to find a meal while avoiding a pride of lions.

An aging leopard in Zambia is challenged by a younger female.

Lions along the Luangwe River raise their cubs.

At Liberia's only home for rescued chimpanzees, there are more new arrivals; Jimmy and Jenny Desmond and their team now have 28 chimps to look after, including an 8-week-old baby called Gaia.

Lizzie swims through coral reefs, digs for ancient fossils and treks through jungles on tropical shores; prowl with jaguars that stalk a Costa Rican beach and meet some big sharks.

Chris Packham reveals the intelligent cons and deceitful behavior that animals use to survive and prosper in the game of life, from disguising themselves to outwit predators, to kidnapping babies to save their own offspring.

Tracking Molelo's pride, who are exhausted when the winter floods arrive and witnessing an encounter that gives leopard mum Sephiri a decision to make.

RSPCA vets treat a mother and baby koala, while rescuers capture a barn owl.

Senior vet Tim tutors new recruit Phil through an injured koala checkup; the team's solutions for animals plagued by the summer heat; vet Karina solves a puzzling frog case and releases an old friend who's ready to fly.

Tracking Molelo's pride, who are exhausted when the winter floods arrive and witnessing an encounter that gives leopard mum Sephiri a decision to make.

RSPCA vets treat a mother and baby koala, while rescuers capture a barn owl.

Senior vet Tim tutors new recruit Phil through an injured koala checkup; the team's solutions for animals plagued by the summer heat; vet Karina solves a puzzling frog case and releases an old friend who's ready to fly.

Beni and Lala are confined to the clinic following an accident; bullied Kesi causes concern for the team; Clara and her daughter, Clarita, are chosen for release back into the wild.

Tracking Molelo's pride, who are exhausted when the winter floods arrive and witnessing an encounter that gives leopard mum Sephiri a decision to make.

RSPCA vets treat a mother and baby koala, while rescuers capture a barn owl.

Senior vet Tim tutors new recruit Phil through an injured koala checkup; the team's solutions for animals plagued by the summer heat; vet Karina solves a puzzling frog case and releases an old friend who's ready to fly.

The people of Nunavik prepare for the coming winter.

Marine life in the waters surrounding Brier Island in Nova Scotia includes dolphins and humpback whales.

Adventure seekers cross Ethiopia's Danakil Depression to view the Erte Ale volcano.

The first mammal of the year is born.

The people of Nunavik prepare for the coming winter.

Marine life in the waters surrounding Brier Island in Nova Scotia includes dolphins and humpback whales.

Adventure seekers cross Ethiopia's Danakil Depression to view the Erte Ale volcano.

Beni and Lala are going stir-crazy in the sick bay, but they must recover before returning to the rough and tumble of class; at forest school, a termite-foraging lesson inspires class clown Valentino to make a finger-licking discovery.

The people of Nunavik prepare for the coming winter.

New York's Hudson River stretches 315 miles through natural landscapes, from the Adirondack Mountains to the George Washington Bridge and Statue of Liberty.

Bill Nighy narrates a trip along the River Po, traveling across northern Italy from the snow-capped Alps to the delta where it meets the Adriatic Sea.

Bill Nighy leads a magical journey in the Norfolk Broads along England's holiday river, the River Bure; discovering a watery world where both wildlife and recreation go hand in hand.

Traveling the Dordogne River via traditional boats through the green heart of southwest France; drinking wine and hunting for truffles; riding a luxury cruiser to a lighthouse built for a king.

Tracking Molelo's pride, who are exhausted when the winter floods arrive and witnessing an encounter that gives leopard mum Sephiri a decision to make.

RSPCA vets treat a mother and baby koala, while rescuers capture a barn owl.

Senior vet Tim tutors new recruit Phil through an injured koala checkup; the team's solutions for animals plagued by the summer heat; vet Karina solves a puzzling frog case and releases an old friend who's ready to fly.

Leaving their native home in South Africa, seven lions are being transported to Akagera National Park, covering thousands of miles to the heart of Africa, in order to revive the local lion species.

How snakes have adapted to become one of evolution's most amazing success stories.

Navigate a mangrove forest in Borneo with the saltwater crocodile, which is perfectly suited to life among the watery roots; discover how this reptile uses the environment to regulate its temperature and why its patience makes it a good hunter.

Leaving their native home in South Africa, seven lions are being transported to Akagera National Park, covering thousands of miles to the heart of Africa, in order to revive the local lion species.

How snakes have adapted to become one of evolution's most amazing success stories.

Navigate a mangrove forest in Borneo with the saltwater crocodile, which is perfectly suited to life among the watery roots; discover how this reptile uses the environment to regulate its temperature and why its patience makes it a good hunter.

Beni and Lala are going stir-crazy in the sick bay, but they must recover before returning to the rough and tumble of class; at forest school, a termite-foraging lesson inspires class clown Valentino to make a finger-licking discovery.

Leaving their native home in South Africa, seven lions are being transported to Akagera National Park, covering thousands of miles to the heart of Africa, in order to revive the local lion species.

How snakes have adapted to become one of evolution's most amazing success stories.

Navigate a mangrove forest in Borneo with the saltwater crocodile, which is perfectly suited to life among the watery roots; discover how this reptile uses the environment to regulate its temperature and why its patience makes it a good hunter.

Ninginganiq is so dangerous that even seasoned sailors keep away.

Tom Pfeiffer hears Anak is going into a violent phase and flies to Indonesia to see if the Child of Fire is ready to repeat the pattern of its ancestor.

The volcano's destructive power is a reminder of nature's dominance.

Hope struggles to save a seal for the first time.

Ninginganiq is so dangerous that even seasoned sailors keep away.

Tom Pfeiffer hears Anak is going into a violent phase and flies to Indonesia to see if the Child of Fire is ready to repeat the pattern of its ancestor.

The volcano's destructive power is a reminder of nature's dominance.

Three-year-old Wine ditches lessons to make a remarkable new friend, as she bonds with a young macaque; two refugees from a Thai circus, young mother Sampit and her son Sawadee, get a second chance at living semi-wild on a pre- release island.

Ninginganiq is so dangerous that even seasoned sailors keep away.

Getting acquainted with an array of ocean oddballs and learning how billions of years' worth of changes have shaped their looks and skills; meeting blind worms who fish, walking sharks, tree-climbing crabs and much more.

Feeling the love in the strange-but-heartwarming partnerships between some of Earth's oddest creatures; diving deep to see strange animals, from snapping shrimp to wolf eels, offer a hand to their fellow ocean-going weirdos to ensure mutual survival.

Exploring the bizarre mating rituals of the ocean's most peculiar creatures; learning how bloody battles for mates, gender bending, and super-size litters of babies might secure a next generation for these animals.

In every society there is the female or male Alpha; through different animal families, discovering that being an Alpha implies responsibility, leadership and cultural transmission; a leader is responsible for the pack's success or its extinction.

Leaving their native home in South Africa, seven lions are being transported to Akagera National Park, covering thousands of miles to the heart of Africa, in order to revive the local lion species.

How snakes have adapted to become one of evolution's most amazing success stories.

Navigate a mangrove forest in Borneo with the saltwater crocodile, which is perfectly suited to life among the watery roots; discover how this reptile uses the environment to regulate its temperature and why its patience makes it a good hunter.

Navigate rain, new climbing structures, and a first meeting of the summer cubs.

Summer arrives and Gordon finds out that Tiny the bear cub has been abandoned by her mother.

Rounding up ducklings and helping a lost koala.

Navigate rain, new climbing structures, and a first meeting of the summer cubs.

Summer arrives and Gordon finds out that Tiny the bear cub has been abandoned by her mother.

Rounding up ducklings and helping a lost koala.

Three-year-old Wine ditches lessons to make a remarkable new friend, as she bonds with a young macaque; two refugees from a Thai circus, young mother Sampit and her son Sawadee, get a second chance at living semi-wild on a pre- release island.

Navigate rain, new climbing structures, and a first meeting of the summer cubs.

Summer arrives and Gordon finds out that Tiny the bear cub has been abandoned by her mother.

Rounding up ducklings and helping a lost koala.

Biologists race the clock as they try to figure out why North American loons are suddenly in danger, unlock the mysterious lives of these beloved birds, and ponder whether their cries will continue to be summer's soundtrack or go silent forever.

A sudden collapse of the crater floor and a massive eruption drains Hawaii's Kilauea volcano of lava, making it possible to explore.

Typical animal behaviours are thrown off due to the mild winter; Zak tends to an injured bald eagle.

A new volunteer and a raven become roommates at the rehab.

Biologists race the clock as they try to figure out why North American loons are suddenly in danger, unlock the mysterious lives of these beloved birds, and ponder whether their cries will continue to be summer's soundtrack or go silent forever.

A sudden collapse of the crater floor and a massive eruption drains Hawaii's Kilauea volcano of lava, making it possible to explore.

Typical animal behaviours are thrown off due to the mild winter; Zak tends to an injured bald eagle.

After weeks of battling a mysterious head infection, Erik joins the group two students; at forest school, the group three students enjoy a poolside classroom where Valentino proves he's more than just a class clown.

Biologists race the clock as they try to figure out why North American loons are suddenly in danger, unlock the mysterious lives of these beloved birds, and ponder whether their cries will continue to be summer's soundtrack or go silent forever.

Explore community-run Reteti Elephant Sanctuary, where human surrogate moms offer survival lessons and nurture young elephants through play; bonding with trunkless Long'uro and seeing why Kelele's mysterious illness could delay his release.

Experts examine how play affects the learning process for most animals in domestic and wild habitats.

Discovering how species buddy up for group games with astonishing benefits; how various animals, from young hyenas playing tug of war to mischievous monkeys getting rough and tumble, communicate the rules of their antics.

Navigate rain, new climbing structures, and a first meeting of the summer cubs.

Summer arrives and Gordon finds out that Tiny the bear cub has been abandoned by her mother.

Rounding up ducklings and helping a lost koala.

Mexico's Yucatan Peninsula houses ships converted to artificial reefs.

Scientists and enthusiasts reveal the crucial roles bugs play on the planet and what the future would be without them.

The colorful world of Earth's essential pollinators - bees, moths and butterflies.

Mexico's Yucatan Peninsula houses ships converted to artificial reefs.

Scientists and enthusiasts reveal the crucial roles bugs play on the planet and what the future would be without them.

The colorful world of Earth's essential pollinators - bees, moths and butterflies.

After weeks of battling a mysterious head infection, Erik joins the group two students; at forest school, the group three students enjoy a poolside classroom where Valentino proves he's more than just a class clown.

Mexico's Yucatan Peninsula houses ships converted to artificial reefs.

Scientists and enthusiasts reveal the crucial roles bugs play on the planet and what the future would be without them.

The colorful world of Earth's essential pollinators - bees, moths and butterflies.

Iceland is the world's largest volcanic island and new ground is born daily.

Students from the Atlantic Veterinary College visit Hope's animal rehab facility for some hands-on experience in treating a harbor seal.

A rescue ends in tragedy; a new team of volunteers arrives at the farm just as a snowy owl is brought in.

Something big and brown is headed to "Hope for Wildlife," but this black bear is tied up in red tape.

Iceland is the world's largest volcanic island and new ground is born daily.

Students from the Atlantic Veterinary College visit Hope's animal rehab facility for some hands-on experience in treating a harbor seal.

A rescue ends in tragedy; a new team of volunteers arrives at the farm just as a snowy owl is brought in.

Young orangutans who have lost their mothers to poaching and deforestation learn the skills they'll need to survive in the wild at a unique forest school.

Iceland is the world's largest volcanic island and new ground is born daily.

Whale researcher, Nan Hauserat, is in the Cook Islands to research humpback whales.

Steve Backshall explores the moves animals make in pursuit of romance, from soliciting that first amorous glance, to the final act of seduction. The colourful cast includes beautiful birds of paradise, ring-tailed lemurs and a tiny brown banana frog.

This oldest National Park in the Canadian Maritimes is home to the highest density of moose in the world.

Terra Nova National Park on the Newfoundland coast is a beautiful enigma with a rugged forest.

Massive elephant seals go nose to nose to win the title of beach master; giant petrels earn the nickname "murderous garbagemen"; a female humpback goes to extremes to protect her calf from amorous males.

Overpopulation of deer in Hampton, N.B.

Mexico's Yucatan Peninsula houses ships converted to artificial reefs.

Scientists and enthusiasts reveal the crucial roles bugs play on the planet and what the future would be without them.

The colorful world of Earth's essential pollinators - bees, moths and butterflies.