A study comparing the nutritional demands of killer whales with the caloric content of their prey has startling implications for the potential impact of these large predators on populations of other ...

Sarah Fortune, an assistant professor in oceanography at Halifax’s Dalhousie University, said it would appear the massive ...

Killer wh ales appear to be inviting humans for lunch, a new study suggests. The research investigated unusual occurrences of orcas in four oceans attempting to share prey with people. More than 30 ...

Have you ever considered sharing your lunch with an orca? Because a new study suggests they thought about sharing their meals with you. The study, published in the Journal of Comparative Psychology, ...

Killer whales are among the ocean’s most powerful predators. They can prey on stingrays, seals, porpoises, and even massive baleen whales. They are also known for disrupting great white sharks and ...

In the fall of 2018, a lone killer whale approached a boat in the Pacific Ocean. It didn’t attack the vessel — as has happened numerous times in recent years. Instead, it offered up an unexpected gift ...

Behavioral ecologist Michael Weiss was browsing through new drone footage of the orca pods he studies in the Salish Sea when he spotted one of the killer whales carrying something green in its mouth ...