For decades, fish-eating killer whales in the Pacific Northwest have been observed harassing and even killing porpoises without consuming them —- a perplexing behavior that has long intrigued ...

An orca playing with a porpoise and balancing it on its head. Orcas have been harassing and toying with porpoises in the Salish Sea for 60 years, often to the point of killing them, but never eating ...

The carcasses of a 39-foot humpback whale and a harbor porpoise were found washed ashore on two Bay Area beaches Saturday afternoon, and experts from the California Academy of Sciences and the Marine ...

Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...

New research has confirmed that West Coast transient killer whales who live between British Columbia and California are two ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

Toronto, Ontario (CTV Network) — A group of orcas that inhabit Canadian waters are known to harass and kill porpoises without eating them. Known as the southern resident killer whales, the ...

It is part of a larger reckoning. Theme park under fire over disturbing string of animal deaths: 'Catastrophe' first appeared ...

Whales are the biggest animal on the planet, dolphins are comparably smaller, but are they all one “big” happy family? They all belong to the Order Cetacea which is the group of sea mammals that ...

Print format not distributed to depository libraries. The taxonomy of several genera of small cetaceans has been confused for decades or even centuries. At least 358 species of dolphins, porpoises, ...

Collectively, both whales and dolphins, as well as their porpoise cousins, are known as cetaceans. The cetacean order comprises two subgroups: baleen whales (including gray whales, right whales, blue ...