Most of the time, the porpoises presumably die following such rough treatment—but the southern resident killer whales don't eat them. After observing so many instances of orcas harassing and ...

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 ... name morphed into "killer whales." ...

Killer whales are like humans in that they have their 'preferred cuts of meat.' Although the behavior surprised researchers at first, it's unlikely that orcas picked up liver-eating recently due ...

Newborn pilot whales have been spotted mysteriously swimming among pods of orcas. Scientists are trying to puzzle out how the ...

Resident orcas, researchers found, eat chinook and chum salmon. And orcas share meals, particularly between mothers and offspring. A mother orca—a 7,000-pound behemoth—will hold a salmon in ...

The population of southern resident killer whales — three pods of fish-eating orcas that frequent the waters between ...

Giles and her colleagues study an endangered population of salmon-eating orcas off the North Pacific coast. Called the Southern Resident population, these killer whales don't eat mammals.

The researchers hypothesized, from evidence found on shark carcasses, that killer whales were hunting the ... direct evidence of orcas killing and eating great white sharks. It was captured ...

But not all whales within each group eat exactly the same thing ... The echoes help the whale navigate towards its food. Killer whales hunt in family pods. Their diets depend on the hunting techniques ...