The paper on the findings, published yesterday in Marine Mammal Science, is the first systematic documentation of headbutting ...

A dolphin's gravity-defying jump was caught on camera, with researchers dubbing it the "Michael Jordan" of the sea. The ...

Sperm whales have been filmed headbutting each other for the first time ever, confirming 19th century reports of whales ...

Marine scientists have scientifically described sperm whales headbutting each other for the first time – validating what ...