
Islands: Nature's Wild Laboratories
Take a look at how humanity threatens this island's explosive biodiversity.

Take a look at how humanity threatens this island's explosive biodiversity.

Spot a pine marten's hideout as a warm winter makes survival harder for hares.

See why hippos are Africa's deadliest species and how humans get them wrong.

Discover how animals deceive using camouflage and confusion.

Learn why capybaras, warthogs, and anteaters are a mishmash of genetic traits.

Track a cheetah mom and her babies through their fragile first year of life.

Look at hippos' natural SPF, zebras' cooling stripes, and lions' sparser manes.

Roam South Africa with a baby lioness and the pride that fights to protect her.

Take in a fiddler crab brawl and throw punches with power-hungry kangaroos.

Smash necks with giraffe weevils and see more exotic creatures battle to win.

Inspect the swords, spikes, and deadly hood ornaments on these alpha hunters.

Hunker down as an icy October surprise complicates the race to the finish line.

Encounter powerful, pugnacious alphas with faces only a mother could love.

Appreciate the brawn that helps these powerhouse alphas subdue their opponents.

Contemplate alphas' astounding vocalizations and human-like speech systems.

Hide out with lone wolf alphas who'd rather go solo than interact with others.

Feel the tables turn as the Earth's mightiest hunters become the hunted.

Look at how humanlike animal gangs claw their way to the top of the food chain.

Learn how the summer ice melt helps and hinders life on this Arctic island.

Frolic with a grey seal pup and watch red deer stags lock horns during the rut.