Pondering a doe's potential as a surrogate mother and the chances that two fawns have in the ER.

Ol Pejeta is in the shadow of Mount Kenya, but it has one of the most stunning sunrises in all of Africa.

The staff attempts to put radio transmitting collars on the lions to keep track of the population.

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.

Plankton are the basis of the world's largest food web.

Two tricky patients finally go free; 50 babies are born all at once.

Batian organizes a massive translocation of three species, but things don't go according to plan.

The red fox of Prince Edward Island.

Plankton are the basis of the world's largest food web.

Two tricky patients finally go free; 50 babies are born all at once.

Batian organizes a massive translocation of three species, but things don't go according to plan.

The red fox of Prince Edward Island.

Arthropods were the first animals to conquer the land and seas nearly 550 million years ago; the largest phylum in the animal world including insects, spiders and crustaceans, their jointed legs gives them the appearance of marauding machines.

The arachnids are endlessly surprising creatures that together form a hugely diverse group of gifted predators replete with mysterious marvels, armed with amazing weapons and possessing almost inexplicable powers.

Armed with the most extreme senses: soundless flight, dagger-like talons and steely beaks, owls possess the necessary weapons for attacking victims in the depth of darkness.

Arthropods were the first animals to conquer the land and seas nearly 550 million years ago; the largest phylum in the animal world including insects, spiders and crustaceans, their jointed legs gives them the appearance of marauding machines.

The arachnids are endlessly surprising creatures that together form a hugely diverse group of gifted predators replete with mysterious marvels, armed with amazing weapons and possessing almost inexplicable powers.

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.

Travelling to the Arctic for a peek at the brutal challenges of life in the boreal forest; admiring some stellar animal adaptations; witnessing a secret reindeer superpower; navigating a rodent labyrinth of snow.

Learn how plants and animals tough it out in some of the driest terrain Earth has to offer. Run across thirsty trees that act as elephant signposts, see insects team up with plants for a chance at life, and get insight into natural chemical warfare.

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.

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.

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.

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.

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.

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.

Plankton are the basis of the world's largest food web.

Two tricky patients finally go free; 50 babies are born all at once.

Batian organizes a massive translocation of three species, but things don't go according to plan.

The red fox of Prince Edward Island.

The vast majority of information being gathered about Mars is by orbiters chronicling everything they can.

Exploring the Milky Way from the mythology of ancient sky watchers to how scientists are mapping it from the inside out.

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

Hope and Dr. Barry break ground on new chapters in their life, Hope rebuilding the rehab and Dr. Barry setting out on his own.

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

Hope and Dr. Barry break ground on new chapters in their life, Hope rebuilding the rehab and Dr. Barry setting out on his own.

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.

Africa's trees provide food, shelter, and opportunities for its creatures.

The Wild Coast of South Africa, stretching 170 miles from East London to the KwaZulu-Natal border, is comprised of rivers that empty into the sea and indigenous forest.

The Great Elephant Tale follows three stories: a calf navigates the Okavango Delta; a bull searches for a mate; and a matriarch leads her family through the desert. These individual adventures tell the story of Africa's most iconic species.

Africa's trees provide food, shelter, and opportunities for its creatures.

The Wild Coast of South Africa, stretching 170 miles from East London to the KwaZulu-Natal border, is comprised of rivers that empty into the sea and indigenous forest.

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.

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.

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.

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.

Track scientists arrive in the Kalahari to test the hypothesis that animal collaboration is the key to the dizzying diversity of the region's species; they monitor behavior, decipher data, and deliver conclusions.

Frigate birds steal meals from smaller seabirds; a mongoose-run spa with a grateful warthog; decoding an African elephant's secret message; lovelorn capuchin monkeys hurl rocks to attract prospective mates.

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.

Track scientists arrive in the Kalahari to test the hypothesis that animal collaboration is the key to the dizzying diversity of the region's species; they monitor behavior, decipher data, and deliver conclusions.

Frigate birds steal meals from smaller seabirds; a mongoose-run spa with a grateful warthog; decoding an African elephant's secret message; lovelorn capuchin monkeys hurl rocks to attract prospective mates.

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

Hope and Dr. Barry break ground on new chapters in their life, Hope rebuilding the rehab and Dr. Barry setting out on his own.

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.

Examining the science behind the birth of the universe.

Mercury, one of the nearest planets to earth, has eluded astronomers' best efforts to learn its secrets until missions like Mariner and Messenger.

Sharks may be much more intelligent than previously thought.

Hope's open house is bigger than ever; a mysterious visitor leaves a big impression.

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.

Sharks may be much more intelligent than previously thought.

Hope's open house is bigger than ever; a mysterious visitor leaves a big impression.

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.

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.

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.

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.

Track scientists arrive in the Kalahari to test the hypothesis that animal collaboration is the key to the dizzying diversity of the region's species; they monitor behavior, decipher data, and deliver conclusions.

Frigate birds steal meals from smaller seabirds; a mongoose-run spa with a grateful warthog; decoding an African elephant's secret message; lovelorn capuchin monkeys hurl rocks to attract prospective mates.

Wildlife and the environment.

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.

Welcoming autumn to the North Atlantic, when its animals struggle to prepare for winter; tracing the grey seals' mating frenzy and witnessing the horrific price one seal pup must pay; reindeer undertake a perilous swim along their migration path.

Wildlife and the environment.

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.

Welcoming autumn to the North Atlantic, when its animals struggle to prepare for winter; tracing the grey seals' mating frenzy and witnessing the horrific price one seal pup must pay; reindeer undertake a perilous swim along their migration path.

Sharks may be much more intelligent than previously thought.

Hope's open house is bigger than ever; a mysterious visitor leaves a big impression.

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.

Examining how cosmic rays are produced and what that can tell us about the universe.

The Fermi Paradox asks why another civilization has not presented itself.

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

Endangered bats need Hope's help, but it means taking unusual steps; Hope's deer release has a bumpy start.

Animals that survive in cities.

Cape Breton Highlands National Park faces destruction by various species.

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

Endangered bats need Hope's help, but it means taking unusual steps; Hope's deer release has a bumpy start.

Animals that survive in cities.

Cape Breton Highlands National Park faces destruction by various species.

The highest mountain range is home to extraordinary animals and remarkable ancient cultures; snow leopards creep into isolated mountain villages; bizarre looking monkeys huddle for warmth; ancient Buddhist monasteries have rituals lost in time.

The Andes is the longest mountain range in the world and home to astonishing hidden worlds, extraordinary animals and remarkable people. Featuring a puma hunt, bears searching for water in scorched forests and a newly discovered shapeshifting frog.

An astonishing range of wildlife is attracted to the Pantanal's Rebel Lake - including 600-pound tapirs, jaguars, graceful spoonbills, and hundreds of caimans.

The highest mountain range is home to extraordinary animals and remarkable ancient cultures; snow leopards creep into isolated mountain villages; bizarre looking monkeys huddle for warmth; ancient Buddhist monasteries have rituals lost in time.

The Andes is the longest mountain range in the world and home to astonishing hidden worlds, extraordinary animals and remarkable people. Featuring a puma hunt, bears searching for water in scorched forests and a newly discovered shapeshifting frog.

Wildlife and the environment.

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.

Welcoming autumn to the North Atlantic, when its animals struggle to prepare for winter; tracing the grey seals' mating frenzy and witnessing the horrific price one seal pup must pay; reindeer undertake a perilous swim along their migration path.

Hope's team struggles to help two rescued harp seals learn the natural behaviors they will need to survive in the wild.

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

Elephants in Camp Phoenix in Zambia's Kafue National Park.

Hope's team struggles to help two rescued harp seals learn the natural behaviors they will need to survive in the wild.

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

Elephants in Camp Phoenix in Zambia's Kafue National Park.

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

Endangered bats need Hope's help, but it means taking unusual steps; Hope's deer release has a bumpy start.

Animals that survive in cities.

Cape Breton Highlands National Park faces destruction by various species.

Examining Landsat 8, the advanced planetary explorer with a 900 million dollar price tag, which is designed to reveal complex and ever-changing details undetectable by the human eye.

A vehicle the size of a small car spent a year on Mars.

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

The worst winter in 100 years causes big problems.

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

The complicated relationships of crustaceans.

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

The worst winter in 100 years causes big problems.

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

The complicated relationships of crustaceans.

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.

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.

Hope's team struggles to help two rescued harp seals learn the natural behaviors they will need to survive in the wild.

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

Elephants in Camp Phoenix in Zambia's Kafue National Park.

Learn how plants and animals tough it out in some of the driest terrain Earth has to offer. Run across thirsty trees that act as elephant signposts, see insects team up with plants for a chance at life, and get insight into natural chemical warfare.

It takes a village to raise lion cubs in Kenya and sniff out the mating strategy of fragrant lemurs in Madagascar; cutting a rug at a honeybee dance party, then listen up as a forked-tailed drongo tricks other birds out of their dinner.

The filmmakers explore the various otter families of Singapore, including the Bay family, the rival Townies and the more isolated Mangrove family.

Learn how plants and animals tough it out in some of the driest terrain Earth has to offer. Run across thirsty trees that act as elephant signposts, see insects team up with plants for a chance at life, and get insight into natural chemical warfare.

It takes a village to raise lion cubs in Kenya and sniff out the mating strategy of fragrant lemurs in Madagascar; cutting a rug at a honeybee dance party, then listen up as a forked-tailed drongo tricks other birds out of their dinner.

The filmmakers explore the various otter families of Singapore, including the Bay family, the rival Townies and the more isolated Mangrove family.

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

The worst winter in 100 years causes big problems.

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

The complicated relationships of crustaceans.

Historical and modern examinations of constellations.

Studies are currently under way looking for evidence of dark energy in the movement of galaxies.

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 hare needs help; Chelsea rescues a litter of orphaned foxes; Dr. Barry helps an injured bobcat.

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

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

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.

A hare needs help; Chelsea rescues a litter of orphaned foxes; Dr. Barry helps an injured bobcat.

Batian organizes a massive translocation of three species, but things don't go according to plan.

The red fox of Prince Edward Island.

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.

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.

A survival story following the adventures of a she-wolf as she travels across the Alps searching for a safe place to bring up her cubs.

Learn how plants and animals tough it out in some of the driest terrain Earth has to offer. Run across thirsty trees that act as elephant signposts, see insects team up with plants for a chance at life, and get insight into natural chemical warfare.

It takes a village to raise lion cubs in Kenya and sniff out the mating strategy of fragrant lemurs in Madagascar; cutting a rug at a honeybee dance party, then listen up as a forked-tailed drongo tricks other birds out of their dinner.

The filmmakers explore the various otter families of Singapore, including the Bay family, the rival Townies and the more isolated Mangrove family.

Following the nocturnal pursuits of the tiny black-footed cat in South Africa that stakes its claim to the title of the world's deadliest.

Wildlife and the environment.

Madagascar is home to strange animals not found anywhere else on Earth; when these animals fight for supremacy, their battles are just as strange, from weird neck-wrestling weevils to ring tailed lemur moms that go into battle with baby on board.

Australia is home to an eclectic array of creatures, and the ways to succeed as an alpha are just as diverse; the beach turns into a dueling ground and the outback becomes a boxing ring, as animals face off with their own kind.

Following the nocturnal pursuits of the tiny black-footed cat in South Africa that stakes its claim to the title of the world's deadliest.

Wildlife and the environment.

Madagascar is home to strange animals not found anywhere else on Earth; when these animals fight for supremacy, their battles are just as strange, from weird neck-wrestling weevils to ring tailed lemur moms that go into battle with baby on board.

Australia is home to an eclectic array of creatures, and the ways to succeed as an alpha are just as diverse; the beach turns into a dueling ground and the outback becomes a boxing ring, as animals face off with their own kind.

A hare needs help; Chelsea rescues a litter of orphaned foxes; Dr. Barry helps an injured bobcat.

Batian organizes a massive translocation of three species, but things don't go according to plan.

The red fox of Prince Edward Island.

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.

Hope's team build a special flight tent for a lone bat; a young porcupine arrives at the rehab; a stranded seal is rescued.

Canada's east coast experiences all four seasons.

Overpopulation of deer in Hampton, N.B.

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.

Hope's team build a special flight tent for a lone bat; a young porcupine arrives at the rehab; a stranded seal is rescued.

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.

A comprehensive overview of the mind-boggling character traits exhibited by different species of animals when it comes to mating.

An unvarnished and fascinating insight into some lesser-known character traits exhibited by different species of animals when they are in need of food.

An up-close look at the character traits exhibited by different species of animals when it comes to survival amid any kind of perceived danger.

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.

A comprehensive overview of the mind-boggling character traits exhibited by different species of animals when it comes to mating.

Following the nocturnal pursuits of the tiny black-footed cat in South Africa that stakes its claim to the title of the world's deadliest.

Madagascar is home to strange animals not found anywhere else on Earth; when these animals fight for supremacy, their battles are just as strange, from weird neck-wrestling weevils to ring tailed lemur moms that go into battle with baby on board.

Australia is home to an eclectic array of creatures, and the ways to succeed as an alpha are just as diverse; the beach turns into a dueling ground and the outback becomes a boxing ring, as animals face off with their own kind.

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.

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

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

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.

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

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

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.

Hope's team build a special flight tent for a lone bat; a young porcupine arrives at the rehab; a stranded seal is rescued.

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.

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

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.

A seal contracts a mysterious illness.

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

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

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.

A seal contracts a mysterious illness.

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

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

Few hunters in nature boast the power of birds of prey; no other hunters possess such powerful eyesight, such effective, merciless talons, nor can any animal on the planet compete for speed.

Genets, and their relatives the mustelids, like weasels and raccoons, are armed with disproportionate ferocity for such relatively small animals, capable of hunting in almost all terrestrial ecosystems.

In the world of hunters, ferocity does not necessarily equate to size; it's often just the reverse and the smaller hunter is the braver and more fearless.

Few hunters in nature boast the power of birds of prey; no other hunters possess such powerful eyesight, such effective, merciless talons, nor can any animal on the planet compete for speed.

Genets, and their relatives the mustelids, like weasels and raccoons, are armed with disproportionate ferocity for such relatively small animals, capable of hunting in almost all terrestrial ecosystems.

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.

The unlikely collaborators working to ensure mutual survival in the Kalahari Basin; an elephant clan's symbiotic link to fruiting anaboom trees, a meerkat's alliance with a feisty drongo bird, and more flora-and-fauna odd couples.

Thirst for rain alongside the animals of the Kalahari as elephant herds cooperate, and meerkat's adopt a strange babysitter in the depths of a brutally dry year.

Tenacious meerkat pups are determined to devour deadly scorpions in the vast Kalahari Desert; a group of lionesses demonstrate their seduction tactics in Kenya.

Investigating the different reasons that lead animals to face tough disputes.

In Sierra Leone, a young chimpanzee deals with a potentially cancerous growth on her abdomen; wildlife vets deliver a diagnosis then get a fright mid-surgery.

Tenacious meerkat pups are determined to devour deadly scorpions in the vast Kalahari Desert; a group of lionesses demonstrate their seduction tactics in Kenya.

Investigating the different reasons that lead animals to face tough disputes.

In Sierra Leone, a young chimpanzee deals with a potentially cancerous growth on her abdomen; wildlife vets deliver a diagnosis then get a fright mid-surgery.

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.

A seal contracts a mysterious illness.

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

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

Lunar and solar eclipses.

An exploration of the astrophysics of stars creating matter.

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.

Many fawns are in need of help.

Canada's east coast experiences all four seasons.

Overpopulation of deer in Hampton, N.B.

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.

Many fawns are in need of help.

Canada's east coast experiences all four seasons.

Overpopulation of deer in Hampton, N.B.

The Addo Elephant National Park in South Africa is home to more than 450 elephants and mammals and was created in response to the decreased number of elephants.

As descendants of dinosaurs, reptiles are an example of efficient hunters with techniques that have evolved over 200 million years.

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 Addo Elephant National Park in South Africa is home to more than 450 elephants and mammals and was created in response to the decreased number of elephants.

As descendants of dinosaurs, reptiles are an example of efficient hunters with techniques that have evolved over 200 million years.

Tenacious meerkat pups are determined to devour deadly scorpions in the vast Kalahari Desert; a group of lionesses demonstrate their seduction tactics in Kenya.

Investigating the different reasons that lead animals to face tough disputes.

In Sierra Leone, a young chimpanzee deals with a potentially cancerous growth on her abdomen; wildlife vets deliver a diagnosis then get a fright mid-surgery.

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

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

It takes a village to raise lion cubs in Kenya and sniff out the mating strategy of fragrant lemurs in Madagascar; cutting a rug at a honeybee dance party, then listen up as a forked-tailed drongo tricks other birds out of their dinner.

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

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

It takes a village to raise lion cubs in Kenya and sniff out the mating strategy of fragrant lemurs in Madagascar; cutting a rug at a honeybee dance party, then listen up as a forked-tailed drongo tricks other birds out of their dinner.

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.

Many fawns are in need of help.

Canada's east coast experiences all four seasons.

Overpopulation of deer in Hampton, N.B.

An exploration of the science behind the Anthropic Principle.

Revealing the masterpieces that about in the universe.

The Everglades during the winter season.

Bobcats are returned to the wild.

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

Madagascar is home to strange animals not found anywhere else on Earth; when these animals fight for supremacy, their battles are just as strange, from weird neck-wrestling weevils to ring tailed lemur moms that go into battle with baby on board.

The Everglades during the winter season.

Bobcats are returned to the wild.

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

Madagascar is home to strange animals not found anywhere else on Earth; when these animals fight for supremacy, their battles are just as strange, from weird neck-wrestling weevils to ring tailed lemur moms that go into battle with baby on board.

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.

A making-of episode featuring the adventures and misadventures of "Wild Latam" filmmakers as they travel across Latin America.

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.

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.

A making-of episode featuring the adventures and misadventures of "Wild Latam" filmmakers as they travel across Latin America.

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

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