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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
  • Map shows where orcas are attacking and sinking boats
    This visual guide explains the interactions that orcas, also known as killer whales, are having with ships and why scientists think it's happening
  • 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
  • Orca types and populations - Wikipedia
    Orcas, also called killer whales, have a cosmopolitan distribution and several distinct populations or types have been documented or suggested Three to five types of orcas may be distinct enough to be considered different races, [1] subspecies, or possibly even species [2] (see species problem)
  • Orca - National Wildlife Federation
    Learn facts about the orca’s habitat, diet, life history, and more
  • Home | ORCA
    Order an Adult, Senior (65+) or Youth (6-18) card online and receive it by mail Need help paying for public transportation? Find out about options for income qualified riders and persons with disabilities Android users, your phone or Wear OS watch can be your fare
  • Orca Habitats: Zones, Currents, Migration, and Human Impact
    Discover how global currents and ecological zones shape the dynamic habitats of orcas Learn why these vast, fluid ecosystems are now critically threatened by human activity
  • Orcas (Killer Whales) | MarineBio Conservation Society
    Orcas inhabit all oceans of the world but are most numerous in the Arctic, the Antarctic and areas in nutrient-rich cold water upwellings They have been sighted along the shores of Washington, Oregon, California, Baja California, and along the eastern coast of the United States
  • 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





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