Add Yahoo as a preferred source to see more of our stories on Google. Researchers discovered that Northern resident killer whales hunt by going silent and eavesdropping on dolphin echolocation to ...

Echolocation lets animals use sound as a guide in places where vision fails. They send out clicks, chirps, or taps and interpret the returning echoes to find prey, avoid danger, or move confidently in ...

University of Auckland scientists have used tracking data to recreate dives by a Hector’s dolphin. Animation shows a dive in real time using tracking information. Triangle = surfacing (you can hear ...