Soothing a bitten koala and itchy possums.

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.

Celebrate as a newly arrived trio of sisters teaches Winston about friendship.

Soothing a bitten koala and itchy possums.

The great white shark is one of the most iconic ocean creatures.

A male brown hare throws punches at his beloved; admiring a sandhill crane dance battle; ibexes butt heads (literally) during mating season; why leopards are stealth masters.

Meeting alphas who get by with a little help from their friends; the inescapable gang mentality of mating male dolphins; ant colonies' unique scents; female geladas always get the last word; wolves hunt family-style.

Hope and Dr. Barry have their hands full wrangling five baby black bears.

The great white shark is one of the most iconic ocean creatures.

A male brown hare throws punches at his beloved; admiring a sandhill crane dance battle; ibexes butt heads (literally) during mating season; why leopards are stealth masters.

Meeting alphas who get by with a little help from their friends; the inescapable gang mentality of mating male dolphins; ant colonies' unique scents; female geladas always get the last word; wolves hunt family-style.

"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.

The great white shark is one of the most iconic ocean creatures.

We are up and away with the world of powered flight - revealing why peregrine falcons can top 200 miles an hour, how a hummingbird is a slave to its own rather manic lifestyle, and that the albatross's secret to flying for free... is it's nose!

In the busy skies above our planet we'll meet a creature that creates sound out of thin air with the world's fastest courtship display and arguably the worlds most aggressive bird, harnessing cold aggression to protect its patch of sky.

The great plains of Africa are home to some of the most iconic animals on the planet. Growing up here means safari babies face immense challenges that will really test them.

Many animals that live in water come on land to have their babies. Being born this way presents some major challenges for water babies to overcome. For some, simply getting to water in the first place can be the biggest trial of their young lives.

Celebrate as a newly arrived trio of sisters teaches Winston about friendship.

Soothing a bitten koala and itchy possums.

Cinematic shipwrecks of the Bahamas.

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.

Completing the trip's final lap in the untamed lands where Australia's interior desert meets the Indian Ocean; confronting the challenges of survival in the region; Lizzie dives with tiger sharks, manta rays and nomadic turtles.

Cinematic shipwrecks of the Bahamas.

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.

Completing the trip's final lap in the untamed lands where Australia's interior desert meets the Indian Ocean; confronting the challenges of survival in the region; Lizzie dives with tiger sharks, manta rays and nomadic turtles.

"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.

Cinematic shipwrecks of the Bahamas.

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.

Completing the trip's final lap in the untamed lands where Australia's interior desert meets the Indian Ocean; confronting the challenges of survival in the region; Lizzie dives with tiger sharks, manta rays and nomadic turtles.

Sharks may be much more intelligent than previously thought.

Celebrating small but mighty animal warriors armed with sheaves of scary weapons; admiring nutrias' stink bombs; honey badgers' needlelike choppers; black-tailed gulls' razor-sharp beaks; the killer talons on dive-bombing peregrine falcons.

Elands lock corkscrew horns; storks rattle sabre-shaped beaks; rhinos scare the competition with massive horns; striped marlins spear unsuspecting prey.

The first fawn of the year arrives at the rehab centre; two volunteers plan to make rehab a lifelong commitment.

Sharks may be much more intelligent than previously thought.

Celebrating small but mighty animal warriors armed with sheaves of scary weapons; admiring nutrias' stink bombs; honey badgers' needlelike choppers; black-tailed gulls' razor-sharp beaks; the killer talons on dive-bombing peregrine falcons.

Elands lock corkscrew horns; storks rattle sabre-shaped beaks; rhinos scare the competition with massive horns; striped marlins spear unsuspecting prey.

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.

Sharks may be much more intelligent than previously thought.

Exploring a 1,500-year-old monastery among the dizzying crags of the world-famous Skellig Islands; Spy Manx shearwaters and humpback whales, pygmy shrews on Clare, and the Aran Islands at an autumn spectacle.

Eoin is back in his Galway Hooker and sailing to the islands off County Kerry before heading south into his home waters off Cork and the end of his journey at Fastnet Rock.

Hawaii is the most remote island chain on Earth, and its shores are hard to reach. But for the hardy creatures that can make it here, like the waterfall climbing fish, carnivorous caterpillar and Laysan albatross, a land of opportunity awaits.

Life thrives in the Garden Route National Park.

Cinematic shipwrecks of the Bahamas.

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.

Completing the trip's final lap in the untamed lands where Australia's interior desert meets the Indian Ocean; confronting the challenges of survival in the region; Lizzie dives with tiger sharks, manta rays and nomadic turtles.

Head into surgery with Mara the koala, who needs a life-saving tooth operation; assess an injured sugar glider with vet Tim; rescue officer Elise pulls a flying fox out of a gutter; see nurse Bree's clutch of python eggs hatch.

Mafia Island, located just off the Tanzanian coastline, is home to diverse marine and terrestrial ecosystems with miles of white beach and clear waters.

Head into surgery with Mara the koala, who needs a life-saving tooth operation; assess an injured sugar glider with vet Tim; rescue officer Elise pulls a flying fox out of a gutter; see nurse Bree's clutch of python eggs hatch.

Mafia Island, located just off the Tanzanian coastline, is home to diverse marine and terrestrial ecosystems with miles of white beach and clear waters.

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.

Head into surgery with Mara the koala, who needs a life-saving tooth operation; assess an injured sugar glider with vet Tim; rescue officer Elise pulls a flying fox out of a gutter; see nurse Bree's clutch of python eggs hatch.

Mafia Island, located just off the Tanzanian coastline, is home to diverse marine and terrestrial ecosystems with miles of white beach and clear waters.

Researchers study shark behavior and fight for the protection of these predators.

Tasmanian devils get into food fights with rivals; how dung beetles roll over the competition; wild boars' fierce mating strategies; hyenas' bone-crushing teeth demolish any meal.

The blonde manes of golden snub-nose monkeys; pink flamingo feathers brought on by an all-crustacean diet; the markings of gemsboks and cheetahs.

Learning the secret of rehabilitating seals from experts at Vancouver Aquarium; search and rescue is launched.

Researchers study shark behavior and fight for the protection of these predators.

Tasmanian devils get into food fights with rivals; how dung beetles roll over the competition; wild boars' fierce mating strategies; hyenas' bone-crushing teeth demolish any meal.

The blonde manes of golden snub-nose monkeys; pink flamingo feathers brought on by an all-crustacean diet; the markings of gemsboks and cheetahs.

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.

Researchers study shark behavior and fight for the protection of these predators.

Gordon Buchanan meets the animals who live in nature's winter wonderlands.

Delve into the adventures of first-time stoat mum Bandita as she raises her kits in a unique weasel wonderland, with over 50 hidden cameras; cameras capture a half-ounce orphaned least weasel called Twiz embark on her journey back to the wild.

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.

Head into surgery with Mara the koala, who needs a life-saving tooth operation; assess an injured sugar glider with vet Tim; rescue officer Elise pulls a flying fox out of a gutter; see nurse Bree's clutch of python eggs hatch.

Mafia Island, located just off the Tanzanian coastline, is home to diverse marine and terrestrial ecosystems with miles of white beach and clear waters.

Join anthropologist Jill Pruetz and guide Dondo (Johnny) Kanté and watch evolution happen in real time. Meet the elusive chimps of Fongoli, Senegal, who use tools, interact with fire, and adapt to the human world as it collides with their own.

Meeting a lovey-dovey penguin, a flamingo makeup artist and a badger making great escapes.

Attending a crabby shell swap, meeting a chimp's pet and sizing up an otter kidnapper.

Join anthropologist Jill Pruetz and guide Dondo (Johnny) Kanté and watch evolution happen in real time. Meet the elusive chimps of Fongoli, Senegal, who use tools, interact with fire, and adapt to the human world as it collides with their own.

Meeting a lovey-dovey penguin, a flamingo makeup artist and a badger making great escapes.

Attending a crabby shell swap, meeting a chimp's pet and sizing up an otter kidnapper.

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.

Join anthropologist Jill Pruetz and guide Dondo (Johnny) Kanté and watch evolution happen in real time. Meet the elusive chimps of Fongoli, Senegal, who use tools, interact with fire, and adapt to the human world as it collides with their own.

Meeting a lovey-dovey penguin, a flamingo makeup artist and a badger making great escapes.

Attending a crabby shell swap, meeting a chimp's pet and sizing up an otter kidnapper.

Researchers risk everything to unlock secret shark behaviours, challenge myths about sharks, and fight for the protection of these predators.

A gorilla wrestling match, pushy moose antlers, long pelican bills that snap at any enemy within range, and a megashark's stereo sniffer.

Sea lions throw their weight around to win a mate, Cape buffalo deliver knockout punches, Canada geese hit hard with their wings, and lionesses rule the Savanna with an iron paw.

Hope recruits an unlikely wildlife rescuer.

Researchers risk everything to unlock secret shark behaviours, challenge myths about sharks, and fight for the protection of these predators.

A gorilla wrestling match, pushy moose antlers, long pelican bills that snap at any enemy within range, and a megashark's stereo sniffer.

Sea lions throw their weight around to win a mate, Cape buffalo deliver knockout punches, Canada geese hit hard with their wings, and lionesses rule the Savanna with an iron paw.

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.

Researchers risk everything to unlock secret shark behaviours, challenge myths about sharks, and fight for the protection of these predators.

The team 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; a baby sea otter needs a risky but life-saving surgery.

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.

Follow the team in healing and releasing a grumpy sea turtle and then meet a sea lion with an unusual injury that must be taken by crane to the rescue center; find out how the vet aids an aging fruit bat and a community rescues a one-eyed seal pup.

Exploring pine forests, coral reefs and the Everglades to find out what scientists are doing to protect alligators, mini deer, manatees and other vulnerable species from human and animal invaders.

Join anthropologist Jill Pruetz and guide Dondo (Johnny) Kanté and watch evolution happen in real time. Meet the elusive chimps of Fongoli, Senegal, who use tools, interact with fire, and adapt to the human world as it collides with their own.

Meeting a lovey-dovey penguin, a flamingo makeup artist and a badger making great escapes.

Attending a crabby shell swap, meeting a chimp's pet and sizing up an otter kidnapper.

Summer in Yellowstone brings about new challenges; as food becomes scarce, wolves have a surprising strategy to keep their pups fed.

Dipping into North America's southern coastal waters, where squid mate, sea turtles nest and mobula rays take flight for the sake of romance; flying a drone with Lizzie as she swoops in for a breath sample from a blue whale.

Chris Packham looks at social intelligence in the animal kingdom, and finds out why it is that, for animals, being together means being clever; he looks at how lions hunt in teams, in which each holds a very specific position.

Summer in Yellowstone brings about new challenges; as food becomes scarce, wolves have a surprising strategy to keep their pups fed.

Dipping into North America's southern coastal waters, where squid mate, sea turtles nest and mobula rays take flight for the sake of romance; flying a drone with Lizzie as she swoops in for a breath sample from a blue whale.

Chris Packham looks at social intelligence in the animal kingdom, and finds out why it is that, for animals, being together means being clever; he looks at how lions hunt in teams, in which each holds a very specific position.

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.

Summer in Yellowstone brings about new challenges; as food becomes scarce, wolves have a surprising strategy to keep their pups fed.

Dipping into North America's southern coastal waters, where squid mate, sea turtles nest and mobula rays take flight for the sake of romance; flying a drone with Lizzie as she swoops in for a breath sample from a blue whale.

Chris Packham looks at social intelligence in the animal kingdom, and finds out why it is that, for animals, being together means being clever; he looks at how lions hunt in teams, in which each holds a very specific position.

In some of the most-remote regions on the planet, researchers dive deep and brave danger to unlock secret shark behaviors; they fight for the protection of these supreme predators before it's too late.

Warthogs' lumpy armor, giant African bullfrogs' jumping and biting skills, wild turkeys' sharp beaks and razorlike spurs, and Nile crocodiles' powerful jaws.

A glacial stroll alongside a Galápagos tortoise; dancing with venomous European adders; a battle between Lacerta lizards; leopard seals' stealth attacks.

Allison and Barry try to shampoo a porcupine; a returning patient is released.

In some of the most-remote regions on the planet, researchers dive deep and brave danger to unlock secret shark behaviors; they fight for the protection of these supreme predators before it's too late.

Warthogs' lumpy armor, giant African bullfrogs' jumping and biting skills, wild turkeys' sharp beaks and razorlike spurs, and Nile crocodiles' powerful jaws.

A glacial stroll alongside a Galápagos tortoise; dancing with venomous European adders; a battle between Lacerta lizards; leopard seals' stealth attacks.

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.

Enduring winter and early spring on the West Coast, where animals eke out a chilly existence; watching red deer battle on windswept Inishvickillane, welcome seal pups amid howling storms on the Inishkea Islands.

Exploring a 1,500-year-old monastery among the dizzying crags of the world-famous Skellig Islands; Spy Manx shearwaters and humpback whales, pygmy shrews on Clare, and the Aran Islands at an autumn spectacle.

Eoin starts his island voyage on Rathlin, then heads west for Malin Head and Inishtrahull meeting Basking Sharks and Dolphins en route, before going south to Achill Island and the story of the Irish Stoat.

Eoin visits a wondrous native woodland on Clare Island and as he sails his Galway Hooker through Connemara's turquoise waters he finds deserted islands home to skylarks and on the Aran Islands, Ireland's only native reptile.

Eoin is back in his Galway Hooker and sailing to the islands off County Kerry before heading south into his home waters off Cork and the end of his journey at Fastnet Rock.

Summer in Yellowstone brings about new challenges; as food becomes scarce, wolves have a surprising strategy to keep their pups fed.

Dipping into North America's southern coastal waters, where squid mate, sea turtles nest and mobula rays take flight for the sake of romance; flying a drone with Lizzie as she swoops in for a breath sample from a blue whale.

Chris Packham looks at social intelligence in the animal kingdom, and finds out why it is that, for animals, being together means being clever; he looks at how lions hunt in teams, in which each holds a very specific position.

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.

Swamps, with the duality of life and death, nurture young and trap lost souls.

Frozen water takes on a sharper persona, influencing everything in its path.

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.

Swamps, with the duality of life and death, nurture young and trap lost souls.

Frozen water takes on a sharper persona, influencing everything in its path.

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.

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.

Swamps, with the duality of life and death, nurture young and trap lost souls.

Frozen water takes on a sharper persona, influencing everything in its path.

Sharks often get portrayed as mindless predators prone to attacking humans, but there is more to these graceful apex predators than meets the eye; the Bimini Sharklab undertakes novel research into shark intelligence.

Chatty capuchin monkeys; Eurasian river otters' chilling screams; fruit bats' loud complaints; orcas' human-scale speech systems.

The red fox of Prince Edward Island.

Hope and Allison look to gain more experience with pelicans by heading to southern California.

Sharks often get portrayed as mindless predators prone to attacking humans, but there is more to these graceful apex predators than meets the eye; the Bimini Sharklab undertakes novel research into shark intelligence.

Chatty capuchin monkeys; Eurasian river otters' chilling screams; fruit bats' loud complaints; orcas' human-scale speech systems.

The red fox of Prince Edward Island.

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.

Sharks often get portrayed as mindless predators prone to attacking humans, but there is more to these graceful apex predators than meets the eye; the Bimini Sharklab undertakes novel research into shark intelligence.

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.

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 journey down the attraction-packed Niagara River is filled with adventure and beauty; navigating the fascinating history and engineering of this border river between Canada and the United States, arriving at the world-famous Niagara Falls.

A breathtaking journey down the German section of the beautiful Moselle river, famous for vineyards on its dramatically steep banks and remarkable meandering loops.

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.

Swamps, with the duality of life and death, nurture young and trap lost souls.

Frozen water takes on a sharper persona, influencing everything in its path.

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.

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.

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.