Once abundant, the massive, colorful clam is now locally extinct in many regions, with a critical drop in population due to overfishing and climate change.

A critically-endangered mountain bongo was born in captivity as part of a breeding program at a safari park in England.

Threatened by deforestation and the exotic pet trade, pied tamarin monkeys could become extinct in just decades ...

Filmmaker Vianet Djenguet documents the dangerous but vital process of habituating a notoriously protective 500-pound silverback. Habituation is a last-ditch effort to save the critically endangered ...

Cotswold Wildlife Park has successfully bred one of the most endangered lemurs in Madagascar. The as-yet-unsexed and unnamed youngster was born to ... are classified as “Critically Endangered ...

Video: One of the rarest mammals on Earth is born in the UK: Adorable African wild ass explores its new home Hampshire - raising fresh hopes for the critically-endangered species One of the rarest ...

Bakso, a Sumatran tiger cub, is nearly three weeks old and was born to mom Sohni ... to the declining population of the critically endangered species. There are fewer than 600 Sumatran tigers ...

Your support makes all the difference. A pair of critically endangered pied tamarin monkeys were recently born at a zoo in southern Tennessee. The Chattanooga Zoo said the mother, Daphne ...