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It’s long been thought that the Southern Resident orcas that live in our region have no predators, but a new article in Live Science suggests that non-resident orcas, or Bigg’s orcas, might be eating ...

Detached orca fins scored with distinctive tooth marks suggest that killer whale cannibalism is happening — and it might ...

Fish-eating killer whales in southern Alaska have a diverse, seasonally changing diet featuring salmon and groundfish, according to a published study in the journal Ecosphere. The types of fish ...

Orcas don’t have any natural predators, so how did this happen? The tooth marks, it turned out, were distinctive – they were ...

KILLER whales have broken into an all out cannibalistic civil war, scientists believe. Biologists have warned of an all-out orca-on-orca battle being fought in the North Pacific where one deadly ...

Researchers suggest that predation by a subspecies called Bigg's orcas might explain why members of another one, called resident orcas, stay in such large family groups ...

Getting close to a stingray is risky, even for an accomplished predator such as an orca. They are not called stingrays for nothing! But if you can take them by surprise and stun them with a brutal ...

Scientists found evidence that killer whales may hunt and eat other killer whales, revealing new insights into how ...

A tour group has reported what could be the first sighting of a pod of Antarctic type B killer whales in WA's Bremer Canyon. Antarctic orca populations are rarely seen in Australian waters, but ...

There aren’t many animals in the ocean deadlier than orcas. As apex predators, they hunt with intelligence, coordination, and raw power. But despite their name, are killer whales truly dangerous to ...

Emily Hemendinger does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...