Scientists believe that the kissing-like behavior likely reinforces "social bonds" between the animals Scientists have recorded the wild orcas engaging in "tongue-nibbling" — a social behavior similar ...

SEATTLE -- Wild orcas on more than 30 occasions in four oceans have attempted to share their prey with people, potentially to develop relationships with humans, researchers have found. In each of the ...

Orcas, also known as killer whales, are among the most well-studied marine mammals, captivating the public and scientists alike with their intelligence, strong social bonds and complex behaviors.

"... Its prevalence is extremely low — it may appear and then not be observed again for several years," the study’s co-author, Javier Almunia said Kimberlee ...