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.

Three healthy, orphaned baby raccoons arrive; Justine the beaver returns; a raccoon arrives in a predicament.

A fawn in need of CPR interrupts the annual fox release; the owls and a seal make great strides.

Clear waters, deep reefs, and dangerous caves.

Exploring the wild blue caribbean waters of cozumel, from the paso del cedral coral reef to the world's longest subterranean underwater cave system.

Home to the world's second-largest barrier reef, Roatan is one of the world's top dive spots - known for its rare black corals, low-lying nurse sharks and fearsome-looking barracuda.

Sizing up a primate no bigger than a mouse, a chameleon that fits on a fingertip and other minuscule creatures with biologist Patrick Aryee; learning why being tiny can be an advantage; some ingenious adaptations to life's big challenges.

Bobcats are returned to the wild.

The team races to save a raccoon covered in oil; a silver fox recovers after a vehicle collision.

The team prepares for the annual open house; Aislyn spends her last day organizing the second raccoon roundup.

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

Bobcats are returned to the wild.

Many species survive by living in groups.

Arctic winds plunge the polar bear into a deep freeze, while in Australia, the heat means a feast for one bird prey.

Travel around the globe to witness the atmospheric shifts that take place in March, from the wave of cherry blossoms that unfold across Japan to the final raft of green sea turtles that arrive on the Great Barrier Reef islands to lay eggs.

May brings violent tornados to North America and the life-giving monsoon to India; the dry season ends in southern Africa, claiming victims among elephants.

In July, Arctic ice sheets crash into the sea while an arctic fox hunts among the rocks. In Africa, herds wildebeest cross the croc-infested Mara river.

From a tick-infested rhino to the freshwater turtles who nip the insects off the giant beast, all life is connected; following the complex web of relationships between these species and more to see how each creature fits into one magical whole.

An Antarctic gentoo penguin pops the question with a rocky token of his devotion; how a Madagascar lemur uses toxic millipedes for pest control; makeup techniques with a flamingo; a honey badger that can pick locks.

Hermit crabs have an orderly shell exchange on a Belize beach; meeting a Senegalese chimp's pet genet; an otter who swaps hostages for free meals; the agricultural prowess of leafcutter ants in the rainforest.

Getting to know all 18 members of the penguin family, including the quirky ones.

An introduction to some of the big characters including "class clown" Valentino and "Big Boy" Beni; an emergency arrival of teenage mom Clara and her baby Clarita; vets round up the older orangutans, who are now ready to be released.

Autumn in Africa brings opportunities; cape fur seals, Samango monkeys, chameleons, impala, and more respond to the season; autumn triggers changes in the lives of many animals; rare creatures reveal themselves and predators gather to take advantage.

Getting to know all 18 members of the penguin family, including the quirky ones.

An introduction to some of the big characters including "class clown" Valentino and "Big Boy" Beni; an emergency arrival of teenage mom Clara and her baby Clarita; vets round up the older orangutans, who are now ready to be released.

Autumn in Africa brings opportunities; cape fur seals, Samango monkeys, chameleons, impala, and more respond to the season; autumn triggers changes in the lives of many animals; rare creatures reveal themselves and predators gather to take advantage.

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

The team races to save a raccoon covered in oil; a silver fox recovers after a vehicle collision.

The team prepares for the annual open house; Aislyn spends her last day organizing the second raccoon roundup.

Introducing a cast of charismatic animals to reveal the remarkable strategies they use to survive, and even thrive, in winter - for animals this is the toughest time of year, and preparations start early.

Find good magic, and visit the dark side of the world's tropical forests.

Flora and fauna help each other navigate seasonal changes in the forest.

Wading into wetlands, where trees and water meet to nurture new life; diving into an underwater forest that protects young fur seals; visiting a mangrove sanctuary where a curious band of aquatic misfits hides out; meeting some real-life swamp monsters.

Hope tries to save an injured fawn.

Hope prepares for the annual open house, but approaching rainstorms threaten the event.

The crew deals with emergencies in the bone-chilling cold; a herd of white-tailed deer is released.

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.

Hope tries to save an injured fawn.

A rattlesnake wrangler travels through America's Southwest in search of diamondbacks, Mojave rattlers, and more.

The kangaroos that populate the woodlands, pastures and forests of Australia cluster together in groups known as mobs.

Aggressive predators, extreme weather and lively joeys can make it challenging for mother kangaroos.

Male kangaroos, also known as bucks, face both risk and reward in their drive to secure their species.

Koalas live in isolated forests in east and southeast Australia.

Getting to know all 18 members of the penguin family, including the quirky ones.

An introduction to some of the big characters including "class clown" Valentino and "Big Boy" Beni; an emergency arrival of teenage mom Clara and her baby Clarita; vets round up the older orangutans, who are now ready to be released.

Autumn in Africa brings opportunities; cape fur seals, Samango monkeys, chameleons, impala, and more respond to the season; autumn triggers changes in the lives of many animals; rare creatures reveal themselves and predators gather to take advantage.

A cow winds up at Hope For Wildlife; the spring orphans are all grown up, and Hope has to decide who's ready for release.

Amanda races to save an elephant calf tangled in a poacher's wire snare; Alma tries to get a baby baboon nicknamed Doodle Bob to bond with a foster baboon mother.

Elephants in the Lilayi Elephant Nursery and Kafue National Park.

A cow winds up at Hope For Wildlife; the spring orphans are all grown up, and Hope has to decide who's ready for release.

Amanda races to save an elephant calf tangled in a poacher's wire snare; Alma tries to get a baby baboon nicknamed Doodle Bob to bond with a foster baboon mother.

Elephants in the Lilayi Elephant Nursery and Kafue National Park.

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.

Hope prepares for the annual open house, but approaching rainstorms threaten the event.

The crew deals with emergencies in the bone-chilling cold; a herd of white-tailed deer is released.

Climbing into a realm of thin air and towering rock; tagging along as mythical monkeys battle for a winter food stash; singing along with lemurs in a fruit-filled tree canopy; watch an aromatic tree bring together blossom and possum in a moonlit tryst.

Admire arctic animals' secret superpowers of survival.

Unlock survival strategies in Earth's most arid climates.

A dangerous tagging mission in South Australia that shows what sharks eat and why they gather in feeding hot spots; the team chases tiger, bull, and hammerhead sharks and outfits one with a 360-degree dorsal camera.

Two birds with wing injuries.

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

Feeding a Giant Panda cub named Bao Bao.

Feeding a pride of adolescent lions.

Two birds with wing injuries.

Spring is in the air and life on the farm is bursting out everywhere, as twin lambs Larry and Flora leap for joy in the meadow with the other newborns.

Summer days mean the animals get to roam in the open meadows; the Hebridean sheep stage a breakout, giving the sheepdog her first chance at a roundup.

As the leaves change, wild urges grip the animals; Rams Roger and Hamish battle for dominance, while Sally the hen flies the coop for a tour of the farm.

The farm animals settle for the shortest days of the year; to stave off boredom, the cows enjoy holiday treats and a concert; Sheila is busy with nine piglets.

A duck that won't go in the water without a ride from her pooch pal, an elephant that thinks she's a buffalo and a herd of cows that adopt an orphaned deer.

A cow winds up at Hope For Wildlife; the spring orphans are all grown up, and Hope has to decide who's ready for release.

Amanda races to save an elephant calf tangled in a poacher's wire snare; Alma tries to get a baby baboon nicknamed Doodle Bob to bond with a foster baboon mother.

Elephants in the Lilayi Elephant Nursery and Kafue National Park.

A global El Niño event strengthens the drought.

Roaming across America with a road-tripping chicken and meeting a mouse family living in an English garden; beating arachnophobia with a spider's help; trekking with the guardian of Earth's last two northern white rhinos.

Cockatoos and platypuses inspire new careers; a shared trauma bonds a human and an elephant for life; George the turkey vulture gets playful; a farewell to human-raised kangaroos.

A global El Niño event strengthens the drought.

Roaming across America with a road-tripping chicken and meeting a mouse family living in an English garden; beating arachnophobia with a spider's help; trekking with the guardian of Earth's last two northern white rhinos.

Cockatoos and platypuses inspire new careers; a shared trauma bonds a human and an elephant for life; George the turkey vulture gets playful; a farewell to human-raised kangaroos.

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

Feeding a Giant Panda cub named Bao Bao.

Feeding a pride of adolescent lions.

Tracking a pregnant shark along the Great Barrier Reef and see if she leads a team of scientists to her hidden pupping ground; searching for signs of mating along the Southern Coast.

Stay up late as the northern team attaches an activity tag to a bull shark and finds out what this night owl does after sunset. Then dive 80 metres deep with the southern team, who are hoping to put a satellite tracker on a female great white.

Food-obsessed Beni receives an educational lesson from the local dominant male Petruk; Spanser, a former illegal pet, attempts to control his sweet tooth.

Going up against infant Cesia's case of malaria and spotting a thief in the food store.

A group of weasels is ready to be released; a volunteer attempts to rescue an eagle; a gull flies free.

Food-obsessed Beni receives an educational lesson from the local dominant male Petruk; Spanser, a former illegal pet, attempts to control his sweet tooth.

Going up against infant Cesia's case of malaria and spotting a thief in the food store.

A group of weasels is ready to be released; a volunteer attempts to rescue an eagle; a gull flies free.

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

A Lion cub runt must survive alone.

Adolescent lions face many challenges.

In central Namibia, a pack of painted wolves roams the arid land; amid threats from lions and drought, a plucky little pup called Lyca has to grow up fast, learn the skills of a hunter and find her place as member of the pack.

In South Africa's Greater Kruger Park, a lion cub finds her place in the wild under the guidance of a devoted father, a fierce mother and a playful sister.

Cheetah cub Usana is born with the odds stacked against her, but she is lucky to have an amazing mother that will stop at nothing to keep her cubs safe.

Enter Brazil's Serra da Capivara at the beginning of the dry season as a troop of capuchin monkeys welcomes its newest member; explore the forest alongside the curious baby, who faces threats from predators, food shortages, and even the wild climate.

In India, Ravi the baby lion-tailed macaque faces life in a shrinking habitat and encroaching human world; Ravi has a caring mom, a protective dad, a playful sister and numerous, cousins, aunts and uncles all watching over him.

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

Discover how weirdness is baked into some animals' DNA from birth; check out the bowerbird's mate-attracting dance moves, the Christmas Island crab's traffic-dodging prowess and the sockeye salmon's uphill swimming skills!

A look at the supercharged abilities that give some animals an edge in life; discovering fireflies' flirty flashes, the tarsier's incredible night vision, the mantis shrimp' knockout punch and the saltwater croc's prey-detecting pressure sensors.

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

Discover how weirdness is baked into some animals' DNA from birth; check out the bowerbird's mate-attracting dance moves, the Christmas Island crab's traffic-dodging prowess and the sockeye salmon's uphill swimming skills!

A look at the supercharged abilities that give some animals an edge in life; discovering fireflies' flirty flashes, the tarsier's incredible night vision, the mantis shrimp' knockout punch and the saltwater croc's prey-detecting pressure sensors.

Behind the scenes of North America's largest zoo kitchen.

The National Zoo feeds its animals by growing their own food.

Food-obsessed Beni receives an educational lesson from the local dominant male Petruk; Spanser, a former illegal pet, attempts to control his sweet tooth.

Going up against infant Cesia's case of malaria and spotting a thief in the food store.

Tracking down Lahei, who's gone AWOL; seeing who earns their post-college freedom.

Congratulating the new Orangutan Jungle School graduates, who aren't all spring chickens; following the convoy to the release site, where the team bids their friends a poignant farewell; enjoying the celebrations as Molly and Bumi move up a grade.

Preparations for the annual open house.

Tracking down Lahei, who's gone AWOL; seeing who earns their post-college freedom.

Congratulating the new Orangutan Jungle School graduates, who aren't all spring chickens; following the convoy to the release site, where the team bids their friends a poignant farewell; enjoying the celebrations as Molly and Bumi move up a grade.

Preparations for the annual open house.

Hope puts everything on the line to save an orphaned black bear cub; two bobcats are ready for release, but they won't go easy.

Just as Hope is scrambling to get ready for her busiest day of the year, the government decides to seize the bear cub Hope's worked so hard to save.

Showcases how bears across the world have overcome the challenges of life, from finding food and raising cubs, to confronting rivals and habitat loss, all thanks to brains, brawn and amazing adaptability.

Giles cares for a sun bear cub while building a rescue center in Laos.

Giles helps two moon bear cubs and is shocked with news at the sanctuary.

Stage 1 of the competition kicks off with seven ravenous bears post-hibernation; tiny Stomper vies for power and Blondie's love, grizzled vet Bernie brawls with clueless teen Casanova and new mom BoldFace battles wolves.

The Stage 1 winners and some tough new recruits dash to cash on July's salmon feast; BigBoi embarks on a food-finding road trip, QuadMom and RedBack are welcomed to the feast and BoldFace keeps her surviving cub safe.

An icy October storm complicates the race to the finish line; Big Boi bounces after a stumble before tragedy hits QuadMom; fan fave BoldFace hits her stride despite her clingy kid, Raccoon.

Get to know Winston, a tiny abandoned cub who imprints on Judy as she nurses him 24-7.

Following a courageous ghost bear and her cubs on Canada's remote rain forest islands.

Showcases how bears across the world have overcome the challenges of life, from finding food and raising cubs, to confronting rivals and habitat loss, all thanks to brains, brawn and amazing adaptability.

Get to know Winston, a tiny abandoned cub who imprints on Judy as she nurses him 24-7.

Exploring the shores of the Northern Territory and the abundant waters of the Great Barrier Reef; Lizzie faces flooded roads, hungry saltwater crocs, and killer jellyfish as she investigates why many deadly creatures make remote areas their home.

Saying goodbye to the tropics and dipping into the cool southern-coast waters; witnessing grey nurse sharks, shape-shifting cuttlefish and blue whales; playing with penguins and sea lions.

A journey on Scotland's River Spey, traveling from its source in the Highlands, winding by boat through the mountains to where the river meets the North Sea.

Food acts as an important way for animals to keep busy, happy and healthy.

A herd of elephants from the Calgary Zoo arrive at the National Zoo in Washington D.C.

Tracking down Lahei, who's gone AWOL; seeing who earns their post-college freedom.

Congratulating the new Orangutan Jungle School graduates, who aren't all spring chickens; following the convoy to the release site, where the team bids their friends a poignant farewell; enjoying the celebrations as Molly and Bumi move up a grade.

Contemplating shark community hierarchies as the northern team studies how young blacktips learn social and survival skills; rushing to Rainbow Beach with the southern team, who are eager to witness the sand tiger shark's mating.

Traveling to the ends of Australia's shark highways; finding out if Greenly Island in the south is a truck stop for migrating great whites; searching for proof of a genetic connection between northern bull sharks and their cooler-climate cousins.

Two orphaned bobcats struggle to bond.

A journey along Ireland's longest river, the Shannon, through an emerald green landscape of rolling hills and sparkling waters; how Vikings, monks and kings have all made their mark.

The St. Louis Zoo caters to a wide range of tastes for some of the world's largest eaters, including an anaconda and hippos.

The keepers at the St. Louis Zoo make sure that every animal family gets the proper nutrition.

Two orphaned bobcats struggle to bond.

Get to know Winston, a tiny abandoned cub who imprints on Judy as she nurses him 24-7.

Welcoming baby orangutan Topan, an orphan in need of a surrogate mom; 16-year-old Kasper preps for graduation.

Observing blossoming friendships and interspecies bonds in nursery school; peeking inside a bromance among junior-school buds Valentino, Yutris and Madara; distractible Beni leans into his love of food and gets a beating from a more-senior pupil.

Experiencing a roller coaster of emotions and growing pains as the sanctuary's orangutans move through six grades toward their release into the wild; Dilla's fate suddenly changes, and big boy Beni goes on an unwelcome diet.

An introduction to some of the big characters including "class clown" Valentino and "Big Boy" Beni; an emergency arrival of teenage mom Clara and her baby Clarita; vets round up the older orangutans, who are now ready to be released.

"Class Clown" Valentino is busy showing off; the staff decide that "Big Boy" Beni needs to lose weight; teenage mom Clara and her baby Clarita face a return to island life; they welcome a new pupil: Alba, the only reported albino orangutan.

Kasper, who is 90kgs, somehow eludes the capture team and climbs 30 meters high in a tree; Beni's food theft and ongoing weight gain starts causing serious concern for his health.

Valentino, Yutris and the rest of group two have fun as they visit group three's flooded classroom; three quarantine infants get the results of their TB tests; the residents of Bangamat Island do not welcome newcomers leading to a confrontation.

Moving day arrives for the nursery school kids; Beni gets a beating from a bully; the socialization cage has a new queen; dominant male Pujon is still on a time-out after attacking Alba, but he's allowed a second chance to bond with his rival.

Beni faces a day of reckoning as all the forest school students are held back for a weigh-in; Alba is back in isolation after being diagnosed with typhoid.

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.

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

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.

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.

A journey along Ireland's longest river, the Shannon, through an emerald green landscape of rolling hills and sparkling waters; how Vikings, monks and kings have all made their mark.

The St. Louis Zoo caters to a wide range of tastes for some of the world's largest eaters, including an anaconda and hippos.

The keepers at the St. Louis Zoo make sure that every animal family gets the proper nutrition.

The southern team tests new migration tech and tools that could reduce shark attacks in a popular snorkeling spot; the northern team catches and tags bull sharks to help local swimmers steer clear of birthing mothers.

A look at the residents who thrive in the newest and fastest-changing habitat on the planet. See smooth-coated otters at home in Singapore, to huge colonies of megabats in Adelaide, and reticulated pythons living on the streets of Bangkok.

More than a billion people around the world commute into cities each day to take advantage of the riches on offer, and they are not alone. The world's wildlife is commuting too. A steady flow of animals journey in and out of cities to find food.

As the urban world grows, animals are displaced from land that belonged to them; from herons to humpback whales, the stories of these wild outcasts are the most captivating of all.

Hope finally moves into the new rehab and the old buildings come down.

The people of Nunavik prepare for the coming winter.

The staff at the St. Louis Zoo deals with managing the nutritional needs of picky eaters.

Zoo keepers feed the minds of their hungry animals. Whether it's puzzles and piñatas, or honey tubes and herb gardens, food is the icing on the cake to prevent boredom.

Hope finally moves into the new rehab and the old buildings come down.

Across the continent, the land and its wildlife breathe in warmth and renewal; for some animals, courtship rituals begin to heat up as battles for dominance break out; for others, it's the time to tend to brand new life.

Summer is the time of plenty across America; it's a chance for animals to reap nature's bounty while they can; the year's young begin to explore their world, while new parents make use of the long days to make sure they grow up strong.

In Autumn, change sweeps across America; as the trees greet the chill with a blaze of color, it's make or break time for animals; time to pull up stakes, make last minute preparations, and often find a mate before the cold sets in.

Winter is the ultimate challenge. As temperatures plunge across much of America, some animals escape to milder climes of the South, while others stay put and tough out the brutal cold and blizzards that blanket the North.

Following two cheetah mothers - Savannah and her four cubs, in the Tswalu Kalahari Reserve, and Chili and her five kittens in the Great Karoo Wilderness - as they navigate a harsh environment, dangerous wildlife and dwindling prey.

Wildlife filmmaker Gordon Buchanan gets close to wild cheetah in the Kalahari, experiencing first-hand the very real dangers these big cats face.

Heading out with Lizzie and the Oncafari team as they set out on the hunt for a missing, dominant jaguar; monitoring the battle between young individuals who are all coveting power.

Lizzie gets to know Fera, the Queen of the Pantanal, as she teaches her rambunctious cub Simba some essential jaguar skills, including how to climb trees and hunt for dinner.

Rejoining the team for some post-rainy-season drama as they search for Ferinha, Fera and Badalo, whose tracking collars are missing; meeting a new biologist, who helps Lizzie recollar the jaguars.

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

The Onçafari team gets to know Aroeira, their newly collared female and takes a peek at Aurora's cub, Apolo; Badalo moves deeper into the flooded forest, where he puts Lizzie's game-changing research in jeopardy.

Across the continent, the land and its wildlife breathe in warmth and renewal; for some animals, courtship rituals begin to heat up as battles for dominance break out; for others, it's the time to tend to brand new life.

Summer is the time of plenty across America; it's a chance for animals to reap nature's bounty while they can; the year's young begin to explore their world, while new parents make use of the long days to make sure they grow up strong.

In Autumn, change sweeps across America; as the trees greet the chill with a blaze of color, it's make or break time for animals; time to pull up stakes, make last minute preparations, and often find a mate before the cold sets in.

Winter is the ultimate challenge. As temperatures plunge across much of America, some animals escape to milder climes of the South, while others stay put and tough out the brutal cold and blizzards that blanket the North.

Exploreing the captivating cityscape, where Matnoor rules over the 30-member-strong Street Troop, before meeting the wilder Hill Troop's old alpha, Aarav.

The Hill Troop invades the Street Troop's turf before the Sisterhood plots to kidnap Sara's baby, and the alpha Loci discovers that his old rival has made a return.

A brawl erupts after the Street Troop finds the Hill Troop on their turf before the alpha wannabe Ajit makes his move.

A recompilation of the best moments of Wild Latam, including capuchin monkeys breaking nuts in Brazil, pink dolphins swimming in the Amazon, the munguba tree, elephant seals, and more.

Valentines day at the rehab.

Ninginganiq is so dangerous that even seasoned sailors keep away.

Keepers dole out buckets of fresh fish for their sea lions and penguins and a bouquet of veggies for their century old tortoises.

Feeding critically endangered orangutans, cheetah and painted dogs.

Valentines day at the rehab.

A duck that won't go in the water without a ride from her pooch pal, an elephant that thinks she's a buffalo and a herd of cows that adopt an orphaned deer.

A rescued orphaned rhino befriends a playful dog and doting sheep; a big bunny rabbit that babysits boisterous baby lambs; a porcupine that helps two English bulldogs rehabilitate injured animals.

Meet more Amazing Animal Friends, including ranch manager Barclay, a Great Dane who happens to be a gifted horse whisperer. In Africa, a tiny marmoset called Thor has become obsessed with two young rescued mongooses.

Test limits with jaguar cub Frida, who's honing her survival skills in Brazil's Caiman Lodge Reserve.

Sea lion Lola take her first chaotic steps into a macho battlefield on Argentina's coast; this baby learns key vocal and swimming skills, fights to stay by mom Maria's side, and makes a lightning-fast escape from the jaws of death.

Southern muriqui, Dora, takes her first steps away from her mom, Mimi; exploring spider monkey troop dynamics and tail-hanging technique.

Knowing more about Thiago, a brave baby coati; how he sharpens his sniffing and foraging skills, crosses suburban roads near his lush Brazilian forest home and avoids inanimate and four-legged dangers.

Visiting the last stronghold of the giant river otter in Brazil's beautiful Pantanal wetland and track pup Rio and his siblings as they test the waters, team up to evade a jaguar ambush, and become a cohesive family unit.

A veterinarian and his team encounter dangerous challenges as they care for endangered animals at a hospital in the Guatemalan jungle.

It really is a big bad world out there; so what happens if you are the little guy.

Spinner dolphins hunt shoals of lanternfish while dodging giant rays.

Thirteen spy cameras capture footage of dolphins.

Ninginganiq is so dangerous that even seasoned sailors keep away.

Keepers dole out buckets of fresh fish for their sea lions and penguins and a bouquet of veggies for their century old tortoises.

Feeding critically endangered orangutans, cheetah and painted dogs.

On Argentina's coasts, hundreds of thousands of penguins gather; elephant seals fight over their harems, and sea lions face ambush; further inland, indigenous armadillos inhabited vast plains.

The desert of Chile is the driest in the world, but the marine currents are thought to be the richest on the planet; immense schools of fish swim under constant siege.

The interior of Brazil has ecosystems as different as dry forest and flood plains mix; this combination, which includes rivers, waterfalls and mountains, is home to a diverse and extremely rich fauna.

The Amazon River and its tributaries irrigate an ancient jungle full of life; the planet's largest eagle, the monkey-hunting harpy; tens of thousands of insects; several hundred kinds of fish.

Hope scrambles to save the animals when a burglar busts down the door to the rehab, as the spring baby boom brings in a flood of injured and orphaned animals.

The team in saves a massive sea lion caught in a plastic noose; a visit to the Rescue Centre, where a harbor seal pup may lose its eyesight and a baby sea otter needs a risky but life-saving surgery.

Keepers can't let their guards down when it comes to feeding tigers, sun bears or rhinos.

The stories of 4 babies that will grow into giants.

Hope scrambles to save the animals when a burglar busts down the door to the rehab, as the spring baby boom brings in a flood of injured and orphaned animals.

When the all-female Hollywood pride encounters the Nomads, a new pride of rival males, they might have found the answer to their mating dry spell.

An attack leaves matriarch Ava incapacitated; Sam finds a tiny hyena cub all alone; the hyenas and the MK pride battle over a buffalo; Nathan discovers the MKs are hiding more cubs.

A group of four young lions search for a pride to take over on the western bank of the Luangwa River.

After the dry season lowers the waters, siblings Kimba and Maya risk crossing the river to search for their parents; they run the gauntlet of the densest populations of crocs and hippos in Africa.

During the last few weeks of the dry season, the prides stick close to the only available water in the river; in Luangwa, the scent of a hippo kill compels the Hollywoods to cross the river.

The dry season is approaching its end, and the MK pride faces its toughest moment yet; their matriarch and best hunter, Surabi, is gored by a buffalo and her survival hangs in the balance; one of the youngest members of the pride is lost and alone.

Spinner dolphins hunt shoals of lanternfish while dodging giant rays.

Thirteen spy cameras capture footage of dolphins.

Take a deep dive into animal playtime and see how many of these activities are really learning opportunities in disguise; find out why hamsters love to run in a wheel, how dogs bone up on pack rules and the real meaning behind a rabbit's hop.

Extraordinary photography reveals the hidden senses and secret communication skills of animals.

Get to know Winston, a tiny abandoned cub who imprints on Judy as she nurses him 24-7.

Take a deep dive into animal playtime and see how many of these activities are really learning opportunities in disguise; find out why hamsters love to run in a wheel, how dogs bone up on pack rules and the real meaning behind a rabbit's hop.

Extraordinary photography reveals the hidden senses and secret communication skills of animals.

Get to know Winston, a tiny abandoned cub who imprints on Judy as she nurses him 24-7.

The team in saves a massive sea lion caught in a plastic noose; a visit to the Rescue Centre, where a harbor seal pup may lose its eyesight and a baby sea otter needs a risky but life-saving surgery.

Keepers can't let their guards down when it comes to feeding tigers, sun bears or rhinos.

The stories of 4 babies that will grow into giants.

An enormous territory of endless plains that changes its appearance twice a year, some times appearing flooded, other times looking nearly desiccated; a place of highly contrasting landscapes; the capybara.

A wild, jungle world lives on the shores of the Caribbean Sea; within the various channels of the tropical rivers, alligators and crocodiles swim and the fearsome jaguar searches for turtles on the region's virgin beaches.

As its name suggests, storms dominate the rainforest, with rain falling more than three hundred days a year; hundreds of species live in each layer of this jungle.

The lowest-lying ranges in the Andes have their own unique ecosystems, sheltered by the great mountains above, but still at the mercy of the sun and the Pacific breezes.

Hope fights to save a family of foxes; the nursery is hit by a mysterious outbreak.

Battling wind and waves to find a sea lion trapped in a plastic ring; visiting a rescue centre, where over 80 orphan seals must be fed several times a day to prepare for release into the wild; an Amazonian duck gets a miraculous operation.

Protective mothers who care for their babies.

A look at the animals that have many babies all at once.

Hope fights to save a family of foxes; the nursery is hit by a mysterious outbreak.

A female leopard named Olimba in Zambia's Luangwa Valley.

Mizumu, a male hyena, searches for a new clan.

Spotty the hyena must ascend to the leadership of the Chimbwe Clan in Zambia's Luangwa Valley.

Get to know Winston, a tiny abandoned cub who imprints on Judy as she nurses him 24-7.

During spring on the Gomoti River, cheetah mother Phefo and lion mother Tshaba teach their cubs' survival skills; they protect their young from big male cats; lion king Molelo fights battles; leopard Senatia works to secure his legacy.

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.

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.

Take a deep dive into animal playtime and see how many of these activities are really learning opportunities in disguise; find out why hamsters love to run in a wheel, how dogs bone up on pack rules and the real meaning behind a rabbit's hop.