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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 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
  • Orca - National Wildlife Federation
    Learn facts about the orca’s habitat, diet, life history, and more
  • 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
  • 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
  • LIVE: Unbelievable Orca Moments | BBC Earth - YouTube
    Top of the food chain, highly social and incredibly intelligent – orcas are without a doubt one of the most powerful predators in the world Watch as the aptly nicknamed 'killer whales'
  • 20 Killer Whale Facts About Orcas - Fact Animal
    Orcas (Orcinus orca), often called Killer Whales, are actually the worlds biggest dolphins and are members of the Delphinidae family which also includes species such as Bottlenose Dolphins and Pilot Whales They inhabit most of the world’s oceans, ranging from the equator to the polar regions





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