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 …

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 …

6 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 …

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. …

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.

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 …

The orca, also known as killer whale, has no geographic limits — it may be found playing in the surf or roaming the deep in every ocean across the globe, although there are higher …

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 …

The orca, or killer whale, with its striking black and white coloring, is one of the best known of all the cetaceans. It has been extensively studied in the wild and is often the main attraction at …