Critically endangered hooded vultures in Nigeria that once fed on the carcasses of wild animals are now largely dependent on ...

On Rossel Island, Kraus found Dendrelaphis melanarkys, or the black net tree snake. This 4-foot, 11-inch reptile is easier to ...

After a long and frigid winter, the sound of spring peepers singing from beaver bogs is a welcome one for New Englanders. But ...