Hunting killer whales always eat the animals they kill, typically leaving behind only a few low-energy parts, such as fins. "Also, if it was just aggression, they wouldn't bother to tear off the fin," ...

Killer whales have been caught on camera hunting down and eating great white sharks alive. A shark-hunting pod of orcas was seen flipping their rival apex predators upside-down to paralyze them - ...

Inner coast transient killer whale hunting close to a Steller sea lion haulout off the outer coast of Washington. New research has confirmed that West Coast transient killer whales who live between ...

Historically, killer whale diet research relied on surface sampling of prey fragments, usually scales, helping researchers to determine primarily salmon species. Newer techniques that analyze DNA in ...

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 ...