“We’re still learning just how diverse killer whale populations are,” she said. In the Humboldt Current, cold nutrient-rich water cycles upward from the ocean depths. It carries nutrients ...

Initial scientific results show that Norwegian killer whales are the most toxic mammals in the Arctic. Previous research awarded this dubious honour to the polar bear, but a new WWF-supported study ...

The debate over the ocean’s greatest predator often pits the orca against the great white shark, with many siding with the fearsome, tooth-filled shark, known for its hunting prowess and ...

The scientists had previously documented orcas (Orcinus orca) in the region chasing both dusky dolphins and long-beaked common dolphins (Delphinus capensis). However, this new observation is the first ...

The matriarch of this orca pod was seen flinging a dusky dolphin into the air during the hunt, with the rest of the pod sharing food, according to a paper in the journal Frontiers in Marine Science.

and react to sounds faster than almost any other animal in the ocean. In other words, they think fast and are quick on their feet — er, fins in this case. Between orca's tactical teamwork ...

Baleen whales are often thought of as solitary: islands unto themselves. However, some scientists believe they travel in ...

Researchers are concerned about the new orca whale calf born last month, describing it as "emaciated." The Center for Whale Research (CWR) said the Southern Resident killer whale calf, named L128 ...

An orca has been born to the southern residents: L128, calf of a first-time, 31-year-old mom, L90. The baby is tiny, with clear fetal folds, making it probably about three days old. It was seen ...

Orca in Whangārei Harbour this week have delighted both experts and nature-lovers alike, putting on a display as they hunt down their favourite food: stingrays. Whangārei resident Kurt Coetzee ...