Animals have evolved to sleep in extreme ways — for example, taking micro naps during parenting, sleeping on the wing during ...

SANTA CRUZ, CA–When Jason Gedamke and Daniel Costa first went to Australia to record the sounds of dwarf minke whales, people told them they were wasting their time. There were very few reports of ...

This is the first time pack-ice killer whale vocalizations have been recorded. Pack-ice killer whales are highly social creatures, communicating through various vocalizations like pulsed calls and ...

Scientists photograph the elusive ginkgo-toothed beaked whale, the source of the BW43 echolocation pulse, for the first time.