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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
  • Orca | National Geographic Kids
    Knocked into the sea, the seal becomes a meal for one of the ocean's top predators—the huge orca, or killer whale Orcas hunt everything from fish to walruses, seals, sea lions, penguins,
  • Amazing 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'
  • ORCA - Ocean Research Conservation Association - Team ORCA
    ORCA is dedicated to the protection and restoration of aquatic ecosystems and the species they sustain through the development of innovative technologies, science-based conservation action and community education and outreach
  • 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
  • OrcaSlicer — Official Website Downloads (Orca Slicer)
    Download the free, open‑source 3D printing slicer for Windows, macOS, and Linux Advanced calibration, smart supports, and more
  • Orca: The Killer Whale - Ocean Info
    Is the orca classified as a whale or dolphin? Orcas have a lot of characteristics in common with whales, but taxonomically, they’re actually dolphins! They are actually the largest member of the dolphin family Orcas belong to the group of toothed whales, which includes about 75 other species
  • 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
  • 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





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