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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 black-and …

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

    Orcas (also known as killer whales) are marine mammals. They belong to the sub-order of toothed whales (known as odontocetes) but are also the largest member of the dolphin family. …

  3. Killer whale | Definition & Facts | Britannica

    May 20, 2025 · killer whale, (Orcinus orca), largest member of the dolphin family (Delphinidae). The killer whale is easy to identify by its size and its striking coloration: jet black on top and …

  4. Orcas (Killer whales) | National Geographic

    Orcas, or killer whales, are the largest of the dolphins and one of the world's most powerful predators. They're immediately recognizable by their distinctive black-and-white coloring. …

  5. Orca - National Wildlife Federation

    Orcas, also known as killer whales, are among the world’s most easily recognized marine mammals. The largest member of the dolphin family, orcas are highly intelligent and social …

  6. Killer Whale | NOAA Fisheries

    Jan 14, 2025 · The killer whale, also known as orca, is the ocean’s top predator. It is the largest member of the Delphinidae family, or dolphins. Members of this family include all dolphin …

  7. 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 …

  8. Orca | National Geographic Kids

    Knocked into the sea, the seal becomes a meal for one of the ocean's top predators—the huge orca, or killer whale. Orcas hunt everything from fish to walruses, seals, sea lions, penguins,...

  9. CWR - orca

    Orcas (killer whales) are one of 35 species in the oceanic dolphin family, Delphinidae. Although they are referred to as whales, orcas are in fact the largest member of the dolphin family and …

  10. Orca - Oceana

    Orcas are the largest members of the dolphin family, growing up to 32 feet (9.8 m) long and 22,000 pounds (10 metric tons). 2. Male orcas can live up to 60 years, while females live much …

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