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Orca    音标拼音: ['ɔrkə]
orca
n 1: predatory black-and-white toothed whale with large dorsal
fin; common in cold seas [synonym: {killer whale}, {killer},
{orca}, {grampus}, {sea wolf}, {Orcinus orca}]

Orca \Or"ca\ ([^o]r"k[.a]), prop. n.
The {killer whale} ({Orcinus orca}).
[PJC]

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  • Killer Whale - NOAA Fisheries
    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 species, as well as other larger species, such as long-finned pilot whales and short-finned pilot whales, whose common names also contain "whale" instead of "dolphin "
  • Killer whale | Definition Facts | Britannica
    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 pure white below with a white patch behind each eye, another extending up each flank, and a variable “saddle patch” just behind the dorsal fin
  • Facts about orcas (killer whales) - Whale Dolphin Conservation USA
    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 Orcas are incredibly popular as they are the most widely distributed of all whales and dolphins, found in every single ocean!
  • 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 Smart and
  • Top 10 facts about Orcas - WWF
    Discover more about orcas aka killer whales, How big orcas are and what an orca eats along with the issues and threats they are facing and how you can help
  • Orcas: Facts about killer whales - Live Science
    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 around the
  • 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,
  • 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 longer, up to 90 years 3 Orcas are the most widely distributed cetaceans (whales, dolphins and porpoises) and can be found in every ocean 4
  • orca - CWR
    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 are physiologically similar to dolphins Other alike species include Pygmy killer whales, False killer whales, and Pilot whales
  • Killer Whale (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 (35mph) Explore the information available for this taxon's timeline





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