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 still …

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 term is now a …

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...

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 subspecies. They …

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

Dec 16, 2025 · Inside the desperate rush to save the southern resident killer whales

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 …

Learn facts about killer whales (orca), including their size, diet and conservation status, plus insights gained during our 25 years of marine mammal research.

Orcas are very easy to spot in the ocean—their iconic black and white coloring gives them away. Orcas are incredibly powerful hunters and eat fish, seals, sharks and more. People began calling orcas …