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 …

4 days ago · 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 grampuses, but that term is now a …

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 subspecies. They are one of the …

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 orcas do not...

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

Orcas inhabit all oceans of the world but are most numerous in the Arctic, the Antarctic and areas in nutrient-rich cold water upwellings. They have been sighted along the shores of Washington, …

The Killer Whale, or Orca, is a creature of immense power, beauty, and complexity. From its ancient lineage to its sophisticated social structures and diverse hunting strategies, every aspect of its life …

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 km/h …

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 coastal waters and …

Learn killer facts about killer whales with the latest orca news, articles and features from Live Science.