
Orca - Wikipedia
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 …
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Facts about orcas (killer whales) - Whale & Dolphin Conservation …
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. …
Killer whale | Definition & Facts | Britannica
Sep 27, 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 …
Orcas (Killer whales) | National Geographic
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 …
Killer Whale - NOAA Fisheries
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 …
Orca - National Wildlife Federation
Learn facts about the orca’s habitat, diet, life history, and more.
Southern resident orca numbers show region cannot let up on …
6 days ago · The Center for Whale Research’s latest census shows just 74 of the orcas remain. They need more food, space and less pollution to grow their numbers.
Orca (Orcinus orca) | U.S. Fish & Wildlife Service
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 …
Orcas: Facts about killer whales - Live Science
Jan 28, 2025 · Orcas are often called killer whales, even though they almost never attack humans. They live in every ocean around the world, from the warm waters near the equator to …