New footage shows orcas and dolphins coordinating hunts, hinting at interspecies teamwork to track and catch salmon off ...

Learn how differences in diet and behavior split orcas off northern Japan into resident and transient groups — and what their ...

Sarah Fortune, an assistant professor in oceanography at Halifax’s Dalhousie University, said it would appear the massive ...

The species Orcinus orca, generally known as orcas or killer whales, is made up of many genetically distinct populations ...

Biologists discovered killer whales and dolphins working together to hunt salmon, a behavior never before documented in this population.

If you liked this story, share it with other people. Many other whale populations aren’t as easy to study, so unsurprisingly we know less about how they’re doing. This is why a recent scientific paper ...

New research reveals that orcas around the island of Hokkaido can be split into two distinct forms, offering conservationists ...

Cetaceans are among the most intelligent creatures in the ocean and many whales have used their big brains to develop cunning ...