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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 | 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
  • 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
  • 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
  • Who are the ‘mystery orcas’ swimming around the Northwest?
    The mystery orcas are back in the Puget Sound For the last few weeks, a pod of unfamiliar orcas has been coming and going from the waters around Seattle and British Columbia, delighting whale
  • 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?
  • Orcas: News, features and articles | Live Science
    Learn killer facts about killer whales with the latest orca news, articles and features from Live Science
  • 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
  • Killer Whale (Orca) - Animals Network
    The Killer Whale, or Orca, is a creature of immense power, beauty, and complexity From its ancient lineage to its sophisticated social structures and diverse hunting strategies, every aspect of its life speaks to a remarkable evolutionary success story





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