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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
  • 虎鲸（鲸目海豚科动物）_百度百科
    虎鲸（学名：Orcinus orca）是哺乳纲海豚科中体型最大的物种。 头部呈圆锥状，没有突出的嘴喙。 身体大小、鳍肢大小和背鳍高度有明显的性二型。 大而高耸的背鳍位于背部中央，雄性成体的背鳍直立，高可达1 0-1 8米，雌性的背鳍明显的镰刀形，高低于1米。
  • Orca - National Wildlife Federation
    As they move up the chain from invertebrate to fish to orca, these pollutants become concentrated Recent studies have found that orcas are among the most contaminated marine mammals in the world, making them more susceptible to disease and likely causing reproductive difficulties
  • Orcas (Killer whales) | National Geographic
    An orca calf swims with two adults during a herring feeding Orcas are skilled hunters that coordinate attacks as a group
  • 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
  • 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 hunted in some countries, such as Greenland Different kinds of orcas are called "ecotypes"
  • 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 "
  • 日本医師会ORCA管理機構 | ORCA Project
    日本医師会ORCA管理機構が提供する医事会計ソフト等「ORCA Project」の公式サイトです。
  • Orca - Oceana
    The orca, also known as killer whale, has no geographic limits — it may be found playing in the surf or roaming the deep in every ocean across the globe, although there are higher concentrations of orcas in colder waters
  • 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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