Love Nature

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.

The waters near the Florida Keys are home to as many as 1,000 shipwrecks.

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

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

Join vets Emily and Martine in the OR, where Dolly the koala's spaying surgery takes a scary turn; aid a run-over echidna with vet Nigel; see rescue officer Chantelle's slick fix for a snared lizard; probe a possible birdnapping with vet Karina.

Each species evolves unique tools to outpace rivals in the eat-or-be-eaten game, taking to the skies is the ultimate advantage.

Cape fur seals breed on Africa's west coast.

Join vets Emily and Martine in the OR, where Dolly the koala's spaying surgery takes a scary turn; aid a run-over echidna with vet Nigel; see rescue officer Chantelle's slick fix for a snared lizard; probe a possible birdnapping with vet Karina.

Each species evolves unique tools to outpace rivals in the eat-or-be-eaten game, taking to the skies is the ultimate advantage.

Cape fur seals breed on Africa's west coast.

Join vets Emily and Martine in the OR, where Dolly the koala's spaying surgery takes a scary turn; aid a run-over echidna with vet Nigel; see rescue officer Chantelle's slick fix for a snared lizard; probe a possible birdnapping with vet Karina.

Each species evolves unique tools to outpace rivals in the eat-or-be-eaten game, taking to the skies is the ultimate advantage.

Cape fur seals breed on Africa's west coast.

Sharks are at risk in Costa Rica.

Welcome to India - a land of exotic animals and exotic warfare; monkeys stage dusty dust-ups, blackbucks wage open war on the open plains, and peacock dandies swing switchblades: these are colorful battles worthy of a vibrant land.

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.

Allison brings her work home; some orphans try to make a break for it while Allison and Hope are away.

Sharks are at risk in Costa Rica.

Welcome to India - a land of exotic animals and exotic warfare; monkeys stage dusty dust-ups, blackbucks wage open war on the open plains, and peacock dandies swing switchblades: these are colorful battles worthy of a vibrant land.

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.

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

Sharks are at risk in Costa Rica.

From hippos and their exfoliating fish friends, to ravens and their wolverine dinner dates, Bill Bailey introduces the most extraordinary partnerships in nature.

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.

Meet the Kyambura clan, which has been trapped in a lush gorge in Africa's Albertine Rift for 15 years. Witness the daily life-and-death struggle of its 20 remaining chimpanzees, who must find food, elude predators, and try to raise a new generation.

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.

Join vets Emily and Martine in the OR, where Dolly the koala's spaying surgery takes a scary turn; aid a run-over echidna with vet Nigel; see rescue officer Chantelle's slick fix for a snared lizard; probe a possible birdnapping with vet Karina.

Each species evolves unique tools to outpace rivals in the eat-or-be-eaten game, taking to the skies is the ultimate advantage.

Cape fur seals breed on Africa's west coast.

Young gladiators earn their stripes in the dense tropical forests of the Americas; a poison dart frog launches a toxic barrage, observe a jaguar-caiman turf war, and see a hungry coati cross paths with a defensive tarantula.

Heading to America's far north for a peek at the ultimate fighters that live along its waterways; a spring thaw kicks off the competition, pitting eagles against herons, bears against bears, and dragonfly nymphs against venomous giant water bugs.

Young gladiators earn their stripes in the dense tropical forests of the Americas; a poison dart frog launches a toxic barrage, observe a jaguar-caiman turf war, and see a hungry coati cross paths with a defensive tarantula.

Heading to America's far north for a peek at the ultimate fighters that live along its waterways; a spring thaw kicks off the competition, pitting eagles against herons, bears against bears, and dragonfly nymphs against venomous giant water bugs.

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

Young gladiators earn their stripes in the dense tropical forests of the Americas; a poison dart frog launches a toxic barrage, observe a jaguar-caiman turf war, and see a hungry coati cross paths with a defensive tarantula.

Heading to America's far north for a peek at the ultimate fighters that live along its waterways; a spring thaw kicks off the competition, pitting eagles against herons, bears against bears, and dragonfly nymphs against venomous giant water bugs.

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.

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.

The open house is bigger than ever, which brings about more challenges.

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.

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.

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

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 moose and wolves of Lake Superior battle.

The Asian carp, an invasive species, travels through North American waters, eating, breeding and decimating native fish populations.

Researchers continue to fight for the survival of the Lake Erie Watersnake, a species on the brink of extinction; a new source of food could mean the snakes have a future after all, so long as the lake's algae blooms cooperate.

Some people are fighting to save the endangered massasauga rattlesnake, which was vilified for years.

The peregrine falcon population has been rising in numbers.

Animals that inhabit waters controlled by dams are put in danger.

Flying squirrels leaping through the air.

Sometimes animals get a second chance.

Young gladiators earn their stripes in the dense tropical forests of the Americas; a poison dart frog launches a toxic barrage, observe a jaguar-caiman turf war, and see a hungry coati cross paths with a defensive tarantula.

Heading to America's far north for a peek at the ultimate fighters that live along its waterways; a spring thaw kicks off the competition, pitting eagles against herons, bears against bears, and dragonfly nymphs against venomous giant water bugs.

As winter turns to spring, temperatures rise and Yellowstone bursts into life; beavers feast on new green shoots, baby bison take their first faltering steps and grizzly cubs emerge from their dens.

Trekking through the Canadian rainforest, looking up at dizzying redwood trees and exploring giant kelp forests with Lizzie as she experiences the wild West Coast of North America; crossing paths with wolves and bears while salmon travel upstream.

Chris reveals some of the best animal builders in the world, a group that is incredibly varied; accomplished animal architects include everything from beavers to bees and prairie dogs to bowerbirds.

As winter turns to spring, temperatures rise and Yellowstone bursts into life; beavers feast on new green shoots, baby bison take their first faltering steps and grizzly cubs emerge from their dens.

Trekking through the Canadian rainforest, looking up at dizzying redwood trees and exploring giant kelp forests with Lizzie as she experiences the wild West Coast of North America; crossing paths with wolves and bears while salmon travel upstream.

Chris reveals some of the best animal builders in the world, a group that is incredibly varied; accomplished animal architects include everything from beavers to bees and prairie dogs to bowerbirds.