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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
  • 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
  • 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 "
  • 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) | MarineBio Conservation Society
    Orcas (formerly known as killer whales, blackfish, and murder pandas ), Orcinus orca (Linnaeus, 1758), are actually dolphins And they are the largest of the dolphin family
  • Killer whale - IWC
    Williams, R , Trites, A W Bain, D E Behavioural responses of killer whales (Orcinus orca) to whale-watching boats: opportunistic observations and experimental approaches
  • 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
  • Orca (Orcinus orca) | U. S. Fish Wildlife Service
    Killer Whales are distinctively marked, with a black back, white chest and sides, and a white patch above and behind the eye Calves are born with a yellowish or orange tint, which fades to white Killer Whales have a heavy and stocky body and a large dorsal fin with a dark grey "saddle patch" at the fin's rear Males can be up to 9 5 m long (31 ft) and weigh in excess of 6 tonnes; it has been
  • Killer Whale (Orca): Orcinus orca Facts and ID Guide
    The killer whale, also known as the orca, is one of the ocean’s most recognizable predators This fearsome marine mammal is the largest member of the oceanic dolphin family (Delphinidae) – and therefore closely related to the somewhat less intimidating bottlenose dolphin The killer whale has the scientific name Orcinus orca and belongs to the mammalian infraorder Cetacea, which contains





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