Tigers aren’t sexy, especially if you're posing with one in captivity.

Research in Costa Rica illustrates the value of monkey social behavior — and of stolen bananas.

The exploitation of threatened slow lorises has spread to Turkey. New research shows that the country is the latest to use the tiny primates as tourist props, where people can pose with the animals for a nominal fee. Researchers found dozens of examples of tourists posing with two vulnerable South Asian loris species, despite the fact that no primate has ever been legally imported into Turkey. Lorises, perhaps best known from seemingly adorable YouTube videos, have become increasingly illegally trafficked in recent years. The fragile, nocturnal animals suffer greatly from the practice and rarely survive long in captivity. 

The Trump Administration announced the bears would lose their protection under the Endangered Species Act.

Today marks World Giraffe Day, an occasion to recognize Africa’s rapidly disappearing giants.

The founder of SOS Elephants works to save elephants from poachers and other threats.

Facing new threats — including toxins from illegal marijuana grows — the fate of this little-known mammal hangs in the balance.

Many species could go extinct if the border wall is built, experts warn.