The killer whales have displayed a range of entree options, including seaweed, stingrays, fish, and birds. Scientists believe this may be an example of interspecies reciprocity.

Killer whales (orca) are massive aquatic mammals and members of the dolphin family. Even though these creatures may resemble other gentle giants in the sea, the killer whale lives up to its name.

Killer whales are one of the most intelligent animals; only humans have a larger brain relative to their body size, according to the study.

The behavior could be the first-ever documented accounts of wild predators offering their food to people. In a nutshell Wild killer whales have been documented offering food to humans 34 times ...

Two killer whales scrubbing kelp between their backs, also known as “allokelping.” Credit: Center for Whale Research, NMFS NOAA Permit 27038 Lots of animals use tools to get their food, but ...

Killer whales are known for exceptional intelligence, displaying complex social structures and sophisticated communication. New research provides fresh evidence for this, documenting how these ...

Killer whales have been caught on video breaking off pieces of seaweed to rub and groom each other, scientists announced Monday, in what they said is the first evidence of marine mammals making ...

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 ...