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

The apex predators have offered up fish, birds, turtles and whales to humans around the world, according to the study.

In a new sign of toolmaking in marine mammals, orcas in the Pacific Northwest were recorded rubbing stalks of kelp against ...

Killer whales may have lower reproduction rates and higher death rates if there is insufficient prey. The post Orca Lifespan: How Long Do Orcas Live? appeared first on A-Z Animals.

Discover how killer whales craft kelp tools for grooming, showcasing unique social behaviors and cultural traits in marine mammals.

The whales use quick body movements to tear pieces of bull kelp for use as tools, perhaps the first known toolmaking by a marine mammal.

In the vast Pacific Ocean, a dramatic and unexpected rescue unfolds as a pod of hungry killer whales attacks a defenseless baby blue whale. With no sign of its mother, the baby whale is helpless ...

A baby pilot whale is lifted out of the water on the back of an unidentified killer whale (Photo by Heleen Middel for the paper Interactions Between Killer Whales (Orcinus orca) and Neonate Long ...

A baby pilot whale is lifted out of the water on the back of an unidentified killer whale (Photo by Heleen Middel for the paper Interactions Between Killer Whales (Orcinus orca) and Neonate ...

One day in June 2022 Chérine Baumgartner, a researcher at the Icelandic Orca Project, was watching from a dinghy as a pod of killer whales fed on herring—when she noticed something very odd ...

Newborn pilot whales have been spotted mysteriously swimming among pods of orcas. Scientists are trying to puzzle out how the pilot whale calves got there and what happened to them ...