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  1. 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 …

  2. Facts about orcas (killer whales) - Whale & Dolphin Conservation USA

    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 …

  3. Orca (Orcinus orca) | U.S. Fish & Wildlife Service

    Killer Whales are distinctively marked, with a black back, white chest and sides, and a white patch above and behind the eye. Calves are born with a yellowish or orange tint, which fades to white. Killer …

  4. Killer whale | Definition & Facts | Britannica

    Dec 2, 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 grampuses, but that term is now a …

  5. 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 orcas do not...

  6. 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 subspecies. They …

  7. Orca - National Wildlife Federation

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

  8. 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 the icy depths …

  9. Learn About Orcas – OrcaLab

    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 …

  10. Orca - Oceana

    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 concentrations of orcas …