Darwin's Amazing Animals

In Part 3 of our series, we document all the drama involved as three young male lions make their way into the outside world. New relationships, painful separations and nasty altercations await them.

This episode features the indri, a type of lemur living in the jungles of Madagascar, Africa. Indris spend their days leaping through the canopy like acrobats. However, there are strict rules in the indri family. The mother is the dominant figure. So during meals, she and her young eat first, and the father is always the last one to have access to food. If he tries to eat without permission, he gets scolded. Even at night, the father sleeps away from his family and safety. Why does the father always get the short end of the stick? This episode reveals it all.

Man's impact on nature's delicate balance has had disturbing results. But the effect on predator and prey in an ancient forest in Scotland has revealed an unexpected twist, to the benefit of both.

Don't let the charming appearance and birdsong of the bull-headed shrike fool you. This cold-blooded killer will impale prey on any sharp object for a much later meal. And it's often done out of love!

An unlikely duel is about to take place with the "ocean's gangster" taking on a creature packing a most lethal punch. This bout, however, features fish out of water ... and their fight to the finish!

Tokyo's Tama River is the site of an exciting quest to film the parenting behaviors of the ever-elusive Japanese weasel. Imagine our surprise at finding a mother raising pups right under our noses!

For Kajika frogs, romance is "ribbeting." Melodies reach ultrasonic frequencies. Battles feature headlocks and chokeholds. The tightest embrace allows pairs to squeeze into tight crevices to spawn.

Kir's life reads like a novel: low-ranking male macaque shunned by the ladies and bullied by those around him gets a new chance in a neighboring troop. Does a reversal of fortune lie on the horizon?

A wild creature may very well have made your home its home: the Japanese gecko. With plenty of nighttime prey, they meander through a miniature world we're now getting a better grip in understanding.

Drama unfolds just off the Japanese coast when male Asian sheephead wrasse battle for supremacy. Sporting huge forehead humps and massive jaws, they meet mouth to mouth ... and not out of affection!

How does a 5-meter-tall creature survive in one of Africa's most desolate regions? The desert-dwelling giraffe must stick its neck out for both the sparse vegetation and to avoid ever-present dangers.