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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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  • 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 pigmentation; being mostly black on top, white on the bottom and having recognizable white eye patches
  • Killer Whale - NOAA Fisheries
    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 are one of the most recognizable marine mammals, with their distinctive black and white bodies
  • Killer whale | Definition Facts | Britannica
    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 synonym for Risso’s dolphin
  • 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
  • Orca - National Wildlife Federation
    Learn facts about the orca’s habitat, diet, life history, and more
  • 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 open oceans Each population of orcas, while similar in appearance, has vastly different habits
  • 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 (35mph) Explore the information available for this taxon's timeline
  • Why Are Orcas Called Killer Whales, and Are They Really Dangerous?
    Orcas may be known as killer whales, but are they really killers, and are they actually dangerous to humans?
  • Killer whale - IWC
    Killer whales, also known as orcas, are an iconic species, long revered by various aboriginal cultures and frequently the stars of animal performances at marine parks The species has recently made even more famous by films like “Blackfish” and “Free Willy”
  • Orcas: News, features and articles | Live Science
    Learn killer facts about killer whales with the latest orca news, articles and features from Live Science





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