Young animals face new challenges as winter envelopes the Rocky Mountains, and spring means the end of childhood. A grizzly mom prepares her cubs for hibernation, a mountain lion raises her kittens and a bison calf must learn to survive the snow.
Discover the wildlife and landscapes of Portugal, from its forests to coasts.
Follow the planet’s longest land-animal migration in Alaska.
Discover the true character of one of the planet’s largest land mammals, the hippo bull.
