Sea lions respond to military-style sonar in a new study to try and find out how to protect the marine mammals from harm.
Autumn brings with its chill in the air the sight of birds on the wing toward their winter homes.
Male Darwin frogs raise young in their vocal sacks. But one of the two species is likely extinct and the other is in decline.
Scientists hoping to record elephant vocalizations instead captured the precise moment when an elephant was shot and killed by ivory poachers in Central Africa. Continue reading →
Species that live in larger social groups have complex, colorful facial patterns.