Meet some of the people featured in The Loneliest Animals, who are working to prevent species extinction around the world.

Follow five baby lemurs in Madagascar as they try to make their way in the world. Watch the full episode online.

To capture the intimate family portraits in A Lemur's Tale, filmmaker Adrian Warren spent five months trailing a lemur troop.

Lemurs are among the world's rarest animals but they are not the only unusual creatures found on Madagascar.

Experience the bittersweet tale of baby ring-tailed lemurs, including an unusual near-albino infant named Sapphire, learning to survive in their treetop homes.