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

Scientists know a surprising amount of information about Southern Resident Killer Whales, but once the whales leave their ...

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

Across the world’s oceans, killer whales share the same striking black‑and‑white look yet live radically different lives.

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

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