While well-documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in ...

Like a proud cat leaving a bird on its owner's doorstep, orcas—also called killer whales—may sometimes offer to share their ...

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.

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

Orcas, or killer whales, are deadly and beautiful apex predators.

Michael Weiss at the Center for Whale Research in Friday Harbor, Washington, and his colleagues monitored an endangered group of killer whales (Orcinus orca ater) in the central Salish Sea, an ...

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.

Towers collaborated with Vanessa Prigollini at Mexico’s Marine Education Association along with killer whale expert Ingrid Visser at the Orca Research Trust in New Zealand to collect incidents ...

Researchers have documented orcas dropping prey and other marine life in front of humans, as if offering us food. The orcas' ...

Southern resident killer whales in the Salish Sea off the U.S. state of Washington have been observed making tools from bull kelp stalks, biting off pieces and using them to massage each other in ...

How Orcas Work Together to Whip Up a Meal Cooperative hunting techniques provide a glimpse into the culture of killer whales.