
Islands: Nature's Wild Laboratories
When winter releases its grip on Baffin Islnad, its coastline shrinks.

When winter releases its grip on Baffin Islnad, its coastline shrinks.

K'gari in Australia, also known as Fraser Island, is the largest sand island in the world.

Every animal on Vancouver Island has to find a way to survive.

A feature on the biodiversity of the Mediterranean.

Enter the danger zone with the Kakumbi pups as lions push into Manzi territory.

Pursue old friends and a breakaway Manzi trio, then see the Kakumbi make a kill.

Track this resilient wild cat, which thrives in extreme, icy northern climates.

Find out how one creature’s tragedy is another’s dinner in this marine climate.

Grapple with the perils of life along Argentina’s 5,000-kilometre coastline.

The many habitats of one of Australia's most diverse areas plays home to an array of bird species.

The mighty North provides the setting for bison, bald eagles and polar bears.

Europe's evocative landscapes are the backdrop for epic wildlife drama.

Witness the bears’ frantic dash to stuff their faces during the July salmon run.

Bighorn rams rattle the mountaintops; Brown bears battle before winter; Wild stallions rumble.

See the mental gifts that put some killers head and shoulders above the pack.

With dueling dragons and giant beetles, Southeast Asia boasts a wide range of wildlife warriors.

Fighting dirty with a guanaco; head-butting an iguana; a hermit crab evicts a tenant from its shell.

Examine the razor-sharp claws, teeth, and senses of these wild killing machines.

The mighty North provides the setting for bison, bald eagles and polar bears.

As the competition begins, lean, mean and newly awakened bears brawl over spring resources.