KILLER whales have broken into an all out cannibalistic civil war, scientists believe. Biologists have warned of an all-out ...

Fish-eating killer whales in southern Alaska have a diverse, seasonally changing diet featuring salmon and groundfish, ...

A long-term study using DNA from whale scat has revealed surprising complexity in the diets of southern Alaska’s fish-eating killer whales.

A Southern Resident killer whale surfacing in Puget Sound with a dead salmon balanced on its head has drawn international attention. The incident, documented in late 2024, has not only surprised ...

While killer whales (Orcinus orca) can trigger the immediate departure of white sharks (Carcharodon carcharias), extended absences from their aggregation sites are also part of the sharks' natural ...

Sightings of Antarctic orcas in Australian waters are very rare. A tour group in WA saw what appeared to be a pod of ...

The Ocean Conservation Administration said several pygmy killer whale strandings have occurred in southwestern Taiwan during the spring in recent years, though the causes remain unclear. The agency ...