Killer whales may all look alike, but molecular biology indicates there are at least three distinct species of orca and maybe five or more, researchers reported Thursday in the journal Genome Research ...

3/4/25 - SOUTHERN RESIDENT KILLER WHALES IN MONTEREY BAY!We had an absolutely amazing day with K Pod and likely others today (thank you to Center for Whale Research for help with the IDs, as well as ...

Killer whales are the only natural predator of baleen whales — those that have “baleen” in their mouths to sieve their plankton diet from the water. More solitary than toothed whales, baleen whales ...

Scientists have spotted a subset of killer whales using seaweed to scratch each other’s backs, marking the first known identification of “tool” usage by marine mammals. The “southern resident” killer ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.

Whatever may be the driving force, killer whales’ use of tools is a remarkable discovery, especially when few animal species ...