A killer whale in the Salish Sea is observed harassing a porpoise, a behavior that has long perplexed scientists. A study from Wild Orca and UC Davis’ SeaDoc Society investigates what may be behind it ...

Killer whales in the Pacific are grouped into three ecotypes: Residents, which live close to shore and eat salmon and other fish; offshores, which live farther out and also eat fish; and ...

Fish-eating killer whales, also known as orcas, may be killing porpoises either for fun as “social play”, as a “hunting practice” or as a mis-manifestation of their natural mothering ...

How big they are: Up to 32 feet (9.8 meters) long How long they live: Up to 100 years, but usually around 25 to 50 years What they eat ... whales. Over time, that name morphed into "killer whales." ...

Odontocetes, or whales with teeth, use echolocation to hunt their food with sound rather than sight. They eat squid, octopus, fish, prawns, crustaceans and other marine mammals, sucking in their ...

Living up to their names, killer whales have been killing other marine mammals but not eating them for decades, and scientists aren't sure exactly why. Orcas seemingly hunt down, harass ...

It was a shocking discovery. Killer whales eat a wide range of food as a species, from fish to squid to marine mammals such as seals. But different groups often have specialized diets based on ...

The gentle giants, which eat tiny plankton, can grow as long as a school bus. Still, killer whales have developed a way to take them down, which researchers documented in video footage.

Harassment and killing of porpoises (“phocoenacide”) by fish‐eating Southern Resident killer whales (Orcinus orca). Marine Mammal Science , 2023; DOI: 10.1111/mms.13073 Cite This Page : ...