Scan the Australian skies which regularly delivers a volatile weather; await cooling monsoon rains; watch lightning ignite vast wildfires; witness the adaptations that help wildlife deal with these extremes.

Two black rhinos in Zambia are at the core of a relocation mission that's part of a grand plan to save the species.

Harsh storms, wildfires, and heavy seas define Table Mountain National Park; how its native animals and plants work together on the parched hillsides and windswept cliffs to form symbiotic partnerships that ensure mutual survival.

The team makes the final attempt to reunite reluctant mother Dilla with her new baby Delilah; Clara and Clarita are on their final journey to freedom when a dangerous flood stops them in their tracks and threatens everyone.

Untangle, extract, and outwit snakes that have been slithering into the suburbs.

Battle browns, red bellies, and pythons invading Aussie farms.

Searching deserted ruins and quiet corners to discover owls hiding in plain sight; uncovering the secrets of these majestic birds, who feature prominently in superstitions and folk tales; Juan Antonio puts pen to paper to capture their magic.

Following a pack of wolves across the wilds of the Iberian Peninsula; gaining a new understanding of their athleticism; tracking their progress on long-distance hunts; observing sprinting speed and their hunting tactics.

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.

The scattered terrain of St. Lawrence Islands.

Feeding a Giant Panda cub named Bao Bao.

Get to know seven beloved wildcats (including one who was caught in a trap) who cant wait to be released into their new home. Then rush to quarantine a pair of fox cubs whove arrived at the rehab clinic with a suspected case of avian flu.

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.

The scattered terrain of St. Lawrence Islands.

Feeding a Giant Panda cub named Bao Bao.

An inside look at the Nyaru Menteng Rescue Center in Borneo to explore how the orangutan school curriculum works, from nursery through graduation.

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.

When the rains begin in the Luangwa Valley the dry wilderness transforms into a luscious wetland.

The dry season approaches in Zambia's Luangwa Valley.

South Luangwa National Park on tip of Africa's Great Rift Valley.

Scan the Australian skies which regularly delivers a volatile weather; await cooling monsoon rains; watch lightning ignite vast wildfires; witness the adaptations that help wildlife deal with these extremes.

Two black rhinos in Zambia are at the core of a relocation mission that's part of a grand plan to save the species.

Harsh storms, wildfires, and heavy seas define Table Mountain National Park; how its native animals and plants work together on the parched hillsides and windswept cliffs to form symbiotic partnerships that ensure mutual survival.

Searching deserted ruins and quiet corners to discover owls hiding in plain sight; uncovering the secrets of these majestic birds, who feature prominently in superstitions and folk tales; Juan Antonio puts pen to paper to capture their magic.

Following a pack of wolves across the wilds of the Iberian Peninsula; gaining a new understanding of their athleticism; tracking their progress on long-distance hunts; observing sprinting speed and their hunting tactics.

The hippopotamus and the Nile crocodile coexist in the Tanzanian waterway of East Africa.

Our planet's freshwater lakes are cradles of life.

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.

The hippopotamus and the Nile crocodile coexist in the Tanzanian waterway of East Africa.

Our planet's freshwater lakes are cradles of life.

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.

An inside look at the Nyaru Menteng Rescue Center in Borneo to explore how the orangutan school curriculum works, from nursery through graduation.

The hippopotamus and the Nile crocodile coexist in the Tanzanian waterway of East Africa.

Our planet's freshwater lakes are cradles of life.

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.

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.

Feeding a pride of adolescent lions.

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

Chase down a weasel and her tiny kittens who have gone AWOL at the rehab. Hold your breath as Dr. Mikaela performs a rare medical procedure on a raccoon's injured tail, then meet Hope's new otter friend and the tiniest beaver the team has ever seen.

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.

Feeding a pride of adolescent lions.

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

The orphaned orangutans attempt to make friends, which is a vital step in rehabilitation.

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.

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.

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.

Tag along with Lizzie on her most dangerous atlantic adventure yet; free diving with bull sharks; explore otherworldly gulf coast swamps filled with hungry alligators, crafty snapping turtles and tiny but mighty beach mice who strengthen sand dunes.

Lizzie heads north to tag sharks and witness first-hand the slow disappearance of sea ice; she does time in bear jail with polar bears who are caught raiding a town for food after their hunting grounds diminish.

The hippopotamus and the Nile crocodile coexist in the Tanzanian waterway of East Africa.

Our planet's freshwater lakes are cradles of life.

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.

In a South African sanctuary, Liz meets a nine-year-old lion called Ricci whose teeth are in such rough shape he can't eat; specially trained vets use unique tools and slightly more anaesthetic than estimated on the wakeful patient.

Hippos, elephants, lions and buffalo are drawn to the Zambezi's wild waters, which grow from a tiny trickle in Zambia to the thundering Victoria Falls.

Visiting Penny the pigeon and her rescuer; getting a buzz from a refugee who finds comfort in beekeeping; diving with a shark dancer.

In a South African sanctuary, Liz meets a nine-year-old lion called Ricci whose teeth are in such rough shape he can't eat; specially trained vets use unique tools and slightly more anaesthetic than estimated on the wakeful patient.

Hippos, elephants, lions and buffalo are drawn to the Zambezi's wild waters, which grow from a tiny trickle in Zambia to the thundering Victoria Falls.

Visiting Penny the pigeon and her rescuer; getting a buzz from a refugee who finds comfort in beekeeping; diving with a shark dancer.

The orphaned orangutans attempt to make friends, which is a vital step in rehabilitation.

In a South African sanctuary, Liz meets a nine-year-old lion called Ricci whose teeth are in such rough shape he can't eat; specially trained vets use unique tools and slightly more anaesthetic than estimated on the wakeful patient.

Hippos, elephants, lions and buffalo are drawn to the Zambezi's wild waters, which grow from a tiny trickle in Zambia to the thundering Victoria Falls.

Visiting Penny the pigeon and her rescuer; getting a buzz from a refugee who finds comfort in beekeeping; diving with a shark dancer.

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.

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

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

Scramble as the staff tries to find a place for each of the orphaned skunks, raccoons, and groundhogs that are streaming through the rehab's doors. Then deal with the deadly side of spring as the team tries to save a hare wounded by a weed whacker.

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.

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

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

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

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.

In Samburu, matriarch Anastasia turns her elephant herd north after a local river dries up; cheetah mom Kuleta evades a crafty pack of hyenas in Naboisho; checking in on wild dog Phoenix and her new litter in Laikipia.

How elephants dig wells; a sudden river-filling downpour; cheetah Kuleta loses one of her cubs to lions; wild dog Phoenix faces off with a hyena mob.

Anastasia's herd splits to protect two precious elephant calves; Kuleta retakes territory for her remaining cheetah cubs; Phoenix searches for a new mate; the skies open up and rain begins to heal the parched land.

Meeting the innovative teams working to preserve and protect Kenya's wildlife; Save the Elephants' radio-tracking-collar system; a drone that monitors wild dog packs; a local team of Maasai cheetah trackers.

In a South African sanctuary, Liz meets a nine-year-old lion called Ricci whose teeth are in such rough shape he can't eat; specially trained vets use unique tools and slightly more anaesthetic than estimated on the wakeful patient.

Hippos, elephants, lions and buffalo are drawn to the Zambezi's wild waters, which grow from a tiny trickle in Zambia to the thundering Victoria Falls.

Visiting Penny the pigeon and her rescuer; getting a buzz from a refugee who finds comfort in beekeeping; diving with a shark dancer.

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.

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.

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.

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.

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

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.

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.

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

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

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

Observe a pair of white, piebald fawns that pose a big rehab challenge. Check out an albino skunk displaced by flash floods, see Dr. Mikaela race to save a parasite-infected chipmunk, and monitor a groundhog fighting for its life after a dog attack.

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

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

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

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

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

Rare penguins are locked in a daily game of cat and mouse with giant New Zealand sea lions; the sea lions also live in a tumultuous world, where pups must battle the elements to survive.

New Zealand's dark fjords harbor creatures normally found in the deep; as winter approaches, bottlenose dolphins must escape their freezing fjord, while in a mountain river, a longfin eel heeds the call of the sea.

The south-eastern coast of New Zealand is the place for young marine animals to transition from novices to independent adults; young whales, dolphins and seals learn to hunt, learn the rules of society, or strike out on their own adventures.

Snakes of Australia.

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.

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.

Follow the story of two mothers, a crocodile and a hippopotamus, as they face the perils of raising a family in this beautiful, remote location. of Katuma.

The story of some of the most impressive creatures in the world, two Nile crocodiles, living together in the African river.

In Madagascar, meet unique primates and reptiles searching for water and dodging predators, from ring-tailed lemurs in the rainforests to tiny brown leaf chameleons in a land of extreme climate variations and habitats.

Follow the story of two mothers, a crocodile and a hippopotamus, as they face the perils of raising a family in this beautiful, remote location. of Katuma.

The story of some of the most impressive creatures in the world, two Nile crocodiles, living together in the African river.

In Madagascar, meet unique primates and reptiles searching for water and dodging predators, from ring-tailed lemurs in the rainforests to tiny brown leaf chameleons in a land of extreme climate variations and habitats.

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

Follow the story of two mothers, a crocodile and a hippopotamus, as they face the perils of raising a family in this beautiful, remote location. of Katuma.

The story of some of the most impressive creatures in the world, two Nile crocodiles, living together in the African river.

In Madagascar, meet unique primates and reptiles searching for water and dodging predators, from ring-tailed lemurs in the rainforests to tiny brown leaf chameleons in a land of extreme climate variations and habitats.

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

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

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

Deal with heartbreaking cases, including a bald eagle that has mysteriously lost its ability to fly. Watch over a chilled fawn that won't eat, a hummingbird with dangerously sticky wings, and a snapping turtle that got caught in a city reservoir.

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

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

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

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

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

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.

Canada, where summer is short and time is tight, any time is the right time to fight; the mighty North provides the setting for bison, bald eagles and polar bears to wage some of the most heavy-duty fighting in the animal kingdom.

Learning to fight dirty with a guanaco, head-butting a fellow iguana to claim a piece of prime territory, and meeting a hermit crab who forcibly evicts a tenant from its shell.

With real-life dueling dragons, giant sumo-wrestling beetles, street-fighting monkeys, and sea turtles that play king of the hill - on top of another sea turtle, Southeast Asia boasts a wide range of wildlife warriors.

Bighorn rams rattle the mountaintops; Brown bears battle, desperate to fatten up for winter; Sharp-tailed grouse shake their tail-feathers; Wild stallions rumble with beauty and grace.

From the Highlands to the Alps, Europe's evocative landscapes are the backdrop for epic wildlife drama; normally stoic red deer go wild during the rut; wolf packs clash over territory, and foxes do the foxtrot, but it's not as nice as it sounds.

Wildebeest battle for herd hierarchy, meerkats live the thug life, floppy fish fight it out on land and locusts give up their vegetarian ways in a frenzy of cannibalism; it all happens on the wild and wide-open landscape of South Africa.

The latitudes south of the Sahara offer vastly different battlegrounds for a wide range of warriors; male giraffes swing their heads like wrecking balls, zebras boast the most powerful kick in the animal kingdom, and chimpanzee warfare is familiar.

Follow the story of two mothers, a crocodile and a hippopotamus, as they face the perils of raising a family in this beautiful, remote location. of Katuma.

The story of some of the most impressive creatures in the world, two Nile crocodiles, living together in the African river.

In Madagascar, meet unique primates and reptiles searching for water and dodging predators, from ring-tailed lemurs in the rainforests to tiny brown leaf chameleons in a land of extreme climate variations and habitats.

When a Category 2 hurricane slams straight into the rehab, Hope and her team struggle to protect their patients in the middle of the raging storm.

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.

Scientists are studying cats in greater detail than before, and their groundbreaking finds challenge the conventional ideas.

When a Category 2 hurricane slams straight into the rehab, Hope and her team struggle to protect their patients in the middle of the raging storm.

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.

Scientists are studying cats in greater detail than before, and their groundbreaking finds challenge the conventional ideas.

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

When a Category 2 hurricane slams straight into the rehab, Hope and her team struggle to protect their patients in the middle of the raging storm.

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.

Scientists are studying cats in greater detail than before, and their groundbreaking finds challenge the conventional ideas.

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.

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.

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

Cope with injuries caused by human neglect and malice, including a gull that ate a metal shard and animals shot by pellet guns. Celebrate the recovery of two foxes with avian flu and witness the joyous release of 12 robins and a snapping turtle.

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.

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.

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

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.

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.

Palau is home to large manta rays, WWII wrecks, and a coral reef.

Raja Ampat in the Indonesian archipelago is home to diverse marine life, including manta rays.

The Indonesian archipelago lies has the highest number of coral and fish species on earth.

Fascinating creatures thrive in the muck.

When a Category 2 hurricane slams straight into the rehab, Hope and her team struggle to protect their patients in the middle of the raging storm.

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.

Scientists are studying cats in greater detail than before, and their groundbreaking finds challenge the conventional ideas.

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.

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.

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.

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.

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

Feeding critically endangered orangutans, cheetah and painted dogs.

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

Hope releases the last of her deer herd as spring approaches but one fawn doesn't want to leave.

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

Feeding critically endangered orangutans, cheetah and painted dogs.

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

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.

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

Bighorn rams rattle the mountaintops; Brown bears battle, desperate to fatten up for winter; Sharp-tailed grouse shake their tail-feathers; Wild stallions rumble with beauty and grace.

From the Highlands to the Alps, Europe's evocative landscapes are the backdrop for epic wildlife drama; normally stoic red deer go wild during the rut; wolf packs clash over territory, and foxes do the foxtrot, but it's not as nice as it sounds.

Steering clear of alphas, whose horns, claws and other protective gear keep them ready for battle, no matter what the weather dishes out; examining killer Highland cow horns, plucky mallard bills, razor-edged wolverine claws, and more.

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.

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.

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.

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.

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.

Navigating the harsh Mongolian wilderness with Dan as he searches for The Dude, the largest snow leopard ever recorded; he battles hostile landscapes and uncertainty as he sheds light on the challenges that The Dude and other snow leopards face.

The tiny-but-deadly mantises; how these notorious, alienlike insects capitalize on their versatility, strength, and aggressive attitude to become one of nature's most successful hunters.

The unique world of rats and mice; discovering why rodents and humans' thousands of years long, neighborly relationship isn't always harmonious; Juan Antonio depicts these agile animals in his sketchbook.

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.

Navigating the harsh Mongolian wilderness with Dan as he searches for The Dude, the largest snow leopard ever recorded; he battles hostile landscapes and uncertainty as he sheds light on the challenges that The Dude and other snow leopards face.

The tiny-but-deadly mantises; how these notorious, alienlike insects capitalize on their versatility, strength, and aggressive attitude to become one of nature's most successful hunters.

The unique world of rats and mice; discovering why rodents and humans' thousands of years long, neighborly relationship isn't always harmonious; Juan Antonio depicts these agile animals in his sketchbook.

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.

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.

Navigating the harsh Mongolian wilderness with Dan as he searches for The Dude, the largest snow leopard ever recorded; he battles hostile landscapes and uncertainty as he sheds light on the challenges that The Dude and other snow leopards face.

The tiny-but-deadly mantises; how these notorious, alienlike insects capitalize on their versatility, strength, and aggressive attitude to become one of nature's most successful hunters.

The unique world of rats and mice; discovering why rodents and humans' thousands of years long, neighborly relationship isn't always harmonious; Juan Antonio depicts these agile animals in his sketchbook.

Spy on the summer cubs as they learn to climb trees and forage for food in preparation for their release into the wild; get surprised by a set of new arrivals, observe the annual pre-hibernation eating binge and enjoy a bear-friendly Thanksgiving.

Yoho National Park, on the western slopes of the Rocky Mountains, has more than 250 miles of hiking trails.

This arctic land offers caribou, bears and wolves roaming among canyon vistas.

Hope prepares for her fundraiser but the spring baby boom starts early; youngest owl; American icon.

Spy on the summer cubs as they learn to climb trees and forage for food in preparation for their release into the wild; get surprised by a set of new arrivals, observe the annual pre-hibernation eating binge and enjoy a bear-friendly Thanksgiving.

Yoho National Park, on the western slopes of the Rocky Mountains, has more than 250 miles of hiking trails.

This arctic land offers caribou, bears and wolves roaming among canyon vistas.

"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.

Spy on the summer cubs as they learn to climb trees and forage for food in preparation for their release into the wild; get surprised by a set of new arrivals, observe the annual pre-hibernation eating binge and enjoy a bear-friendly Thanksgiving.

Get to know the Waterfront Pride: males Tom Tom and Caller, 8 lionesses, 10 youths, and Einstein, the grown cub who never left home; Einstein's defiance catches up with him when rivals from the Outsiders Pride make a play that seals his fate.

The pride tries to hunt down adequate food as drought conditions push them and their prey dangerously close to death; Einstein adapts to solo life, then assess the damage after new mom Kalwezi fights for her cubs' lives.

Einstein fails to make new connections and weigh the pros and cons when Keeza and her cub are kidnapped by rival male Mad-Eye Moody.

Begroet een rijk seizoen als het water zich terugtrekt en kuddes terugkeren naar de oevers van de Chobe. Zie Keeza en haar welp er vandoor gaan terwijl Caller en Tom Tom vechten met hun vijanden, juich als Einstein eindelijk een partner vindt.

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.

Navigating the harsh Mongolian wilderness with Dan as he searches for The Dude, the largest snow leopard ever recorded; he battles hostile landscapes and uncertainty as he sheds light on the challenges that The Dude and other snow leopards face.

The tiny-but-deadly mantises; how these notorious, alienlike insects capitalize on their versatility, strength, and aggressive attitude to become one of nature's most successful hunters.

The unique world of rats and mice; discovering why rodents and humans' thousands of years long, neighborly relationship isn't always harmonious; Juan Antonio depicts these agile animals in his sketchbook.

A newborn wildebeest faces a terrifying ordeal when it's taken by a lioness. The predator doesn't kill the calf and, instead, takes care of the newborn for an entire day.

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

Admire arctic animals' secret superpowers of survival.

A newborn wildebeest faces a terrifying ordeal when it's taken by a lioness. The predator doesn't kill the calf and, instead, takes care of the newborn for an entire day.

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

Admire arctic animals' secret superpowers of survival.

"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.

A newborn wildebeest faces a terrifying ordeal when it's taken by a lioness. The predator doesn't kill the calf and, instead, takes care of the newborn for an entire day.

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

Admire arctic animals' secret superpowers of survival.

Prepare for the summer cubs' release with Roger; meet Ace and Little Blueberry, two newbies with serious health issues who will have to stay over the winter with the Z cubs; six happy, healthy bears embark on their new lives in the wild.

Exploring the only island park in the Canadian Maritimes.

Canada's largest national park.

Hope tries to save orphaned fox pups; an owl may be carrying a deadly disease.

Prepare for the summer cubs' release with Roger; meet Ace and Little Blueberry, two newbies with serious health issues who will have to stay over the winter with the Z cubs; six happy, healthy bears embark on their new lives in the wild.

Exploring the only island park in the Canadian Maritimes.

Canada's largest national park.

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.

Prepare for the summer cubs' release with Roger; meet Ace and Little Blueberry, two newbies with serious health issues who will have to stay over the winter with the Z cubs; six happy, healthy bears embark on their new lives in the wild.

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

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

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.

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 newborn wildebeest faces a terrifying ordeal when it's taken by a lioness. The predator doesn't kill the calf and, instead, takes care of the newborn for an entire day.

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