rare species

Polar bears, playful and beautiful but extremely dangerous, are a dying breed.

Ecologists have given some of Australia's cutest and rarest native animals, red-tailed phascogales and numbats, new leases of life by relocating them from one end of the island continent to the other.

A monkey with ghostly white circles around its eyes is among 224 new species listed in the World Wildlife Fund’s latest update on the greater Mekong region.

A rare species of eagle that has thrilled bird lovers and baffled scientists since arriving in Maine last month might not be in a hurry to leave.