At the height of the nesting season, red-legged seriema are at their most deadly. This parent is trying its best to bring home food for its young.

From giant eagles to miniature falconets, meet the many species of raptors. Explore how they survive winters, learn to hunt and undergo migrations. Their superpowers of flight, sight, hearing and smell give them dominance over the skies.

In a once-in-a-lifetime moment, cinematographer Patrick Dykstra finds himself in the embrace of a group of sperm whales.

Patrick Dykstra has a life-changing experience in Dominica when he has a close encounter with a sperm whale he names “Dolores.” During this first encounter, he attempts to communicate with her and she seems to respond.

Follow Patrick Dykstra in his quest to connect with and understand the hidden nature of the sperm whale, shining a light on their intelligence and complexity, as well as their relationship with humankind.

Sir David Attenborough uncovers the secrets of the pliosaur, a monstrous marine predator. The pliosaur is believed to have been over 30 feet in length, similar to a double-decker bus.

Sir David Attenborough investigates the discovery of a lifetime: the giant skull of a prehistoric sea monster known as a Pliosaur – the Tyrannosaurus Rex of the seas.

Follow Sir David Attenborough and a team of forensic experts as they unearth the fossil of a giant Pliosaur, the largest Jurassic predator ever known.

The first few weeks of life are especially perilous for shorebird chicks. Only about a quarter of Red Knot chicks live long enough to journey south.

Scientists find nests of shorebirds, but they're not the only ones looking for them. Just when they think hope is lost for the next generation of shorebirds, some heartwarming scenes greet them.

Follow a conservation movement of bird-loving experts and citizen scientists as they mobilize to the challenge of understanding and saving shorebirds.

Hundreds of forest elephants gather at the beach to feed. They are shy animals, and their displays of strength can be playful or a sign of distress.

Several weeks have passed since the birth of the baby gorilla named Malumbi. He's taking his first steps away from his mother and making new friends.

Get an intimate look at a silverback family in Gabon’s Loango National Park. Meet a newborn gorilla, forest elephants, buffalos and brave researchers in one of the last remaining wild coasts in the African tropics.

In her last moments, this female chameleon's skin erupts with color. All that remains are her eggs, buried deep beneath the surface.

The Big Little Journeys team travels through storms and fallen trees to reach the remote Kirindy Forest in Madagascar. Here they work with local scientists to film the short-lived journey of a matchstick-sized chameleon. Its life is finely in tune with the seasons and the team discovers how this leaves them vulnerable to the effects of a warming world. Narrated by Aaron Pierre.

A female chameleon draws the attention of two males. They must battle it out to prove their worth to her.

On her quest for a new home, the water vole encounters a body of water. In the cold waters beneath her, monsters lurk.

In Madagascar’s Kirindy Forest, a matchstick-sized chameleon goes on an epic journey through high trees and ground floors to find a mate and lay eggs before it’s too late. A water vole in the Scottish Highlands swims a lake, climbs a waterfall and scales a mountain also to find a suitor and a place to raise her pups.

After following a fertile female for hours, this young male pangolin proves himself worthy of mating. But mating in a suit of armor isn't easy.