The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. The only extant species in the genus Orcinus, it is recognizable by its distinct …

A wild orca pod can cover over 99 miles (160 kilometers) a day, foraging and socializing. They were give the name "killer whale" by ancient sailors who saw them preying on large whales. …

Orcas are highly intelligent, social mammals that have long been a part of marine park entertainment, performing shows for audiences. However, it's become increasingly clear that …

1 day ago · With killer whales in pursuit, the seal clambered out of the water and onto a swimming platform at the stern of the boat.

Nov 4, 2025 · More than 20 species names have been applied to the killer whale, but a consensus now recognizes only O. orca. Killer whales were formerly referred to as …

Aug 18, 2025 · Scientific studies have revealed many different populations with several distinct ecotypes (or forms) of killer whales worldwide—some of which may be different species or …

Learn facts about the orca’s habitat, diet, life history, and more.

Nov 7, 2025 · Scientists with the Norwegian Orca Survey and Orca Channel have documented, for the first time and in astounding detail, the birth of an orca and the newborn's first hour.

Calves at birth weigh about 180 kg and are about 2.4 m long (8 ft). The Killer Whale's large size and strength make them the fastest marine mammals, often reaching speeds in excess of 56 …

They are known as Orcas, Killer Whales or – off the west coast of North America – Blackfish. They are found in all of the world’s major oceans, covering all latitudes, and inhabit both …