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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. Killer whale | Definition & Facts | Britannica

    2 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 …

  3. 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 …

  4. 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...

  5. 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 …

  6. Orca - National Wildlife Federation

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

  7. These Orcas Are on the Brink—And So Is the Science That Could Save …

    6 days ago · Inside the desperate rush to save the southern resident killer whales

  8. “No other predator is able to challenge them” – this deadly ...

    Jul 18, 2025 · The Latin name for orca or killer whale is Orcinus orca. Orcinus translates to “of the kingdom of the dead” and is probably derived from Roman God of the underworld Orcus, a reference …

  9. 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 …

  10. 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 km/h …