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porpoise    音标拼音: [p'ɔrpəs]
n. 海豚,小鲸

海豚,小鲸

porpoise
n 1: any of several small gregarious cetacean mammals having a
blunt snout and many teeth

Porpoise \Por"poise\, n. [OE. porpeys, OF. porpeis, literally,
hog fish, from L. porcus swine piscis fish. See {Pork}, and
{Fish}.]
1. (Zool.) Any small cetacean of the genus {Phoc[ae]na},
especially {Phoc[ae]na communis}, or {Phoc[ae]na
phoc[ae]na}, of Europe, and the closely allied American
species ({Phoc[ae]na Americana}). The color is dusky or
blackish above, paler beneath. They are closely allied to
the dolphins, but have a shorter snout. Called also
{harbor porpoise}, {herring hag}, {puffing pig}, and
{snuffer}.
[1913 Webster]

2. (Zool.) A true dolphin ({Delphinus}); -- often so called
by sailors.
[1913 Webster]

{Skunk porpoise}, or {Bay porpoise} (Zool.), a North American
porpoise ({Lagenorhynchus acutus}), larger than the common
species, and with broad stripes of white and yellow on the
sides. See Illustration in Appendix.
[1913 Webster]


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  • Porpoise - Wikipedia
    Porpoises are distinguished from dolphins by their flattened, spade-shaped teeth distinct from the conical teeth of dolphins, and lack of a pronounced beak, although some dolphins (e g Hector's dolphin) also lack a pronounced beak Porpoises, and other cetaceans, belong to the clade Cetartiodactyla with even-toed ungulates
  • Whats the difference between dolphins and porpoises?
    Most scientists agree that there are 32 dolphin species (plus five closely related species of river dolphin) and only six porpoise species So what’s the difference? It essentially comes down to their faces (who can forget Flipper’s famous “grin”?), their fins, and their figures
  • Porpoise | Definition, Habitat, Facts | Britannica
    Porpoise, any of seven species of toothed whales distinguishable from dolphins by their more compact build, generally smaller size (maximum length about 2 meters, or 6 6 feet), and curved blunt snout with spatulate rather than conical teeth
  • Porpoise - Types, Size, Habitat, Diet, Predators, Pictures
    The skull of a porpoise has two small orbital sockets for its eyes and a large depression that houses an organ called the melon This fat-filled organ, also found in dolphins, aids in generating high-frequency ultrasonic clicks used for communication within a species
  • Porpoises - meet the different species - Whale Dolphin . . .
    The porpoise family contains seven porpoise species Porpoises hunt fast-moving fish, squid, and other sea creatures They have blubber to keep them warm, a single blowhole, and most have a dorsal fin and countershading camouflage which means they are darker on their back than their belly
  • Harbor Porpoise - The Marine Mammal Center
    Learn about the habitat, population status and behavior of harbor porpoises
  • About Porpoises — Porpoise Conservation Society
    We are a non-profit society dedicated to the protection and conservation of all species of porpoise and their natural habitats and ecosystems
  • The Porpoise Family | Discover all Species
    Across these genera, there are eight extant species, each adapted to different marine environments, from the familiar harbor porpoise found in coastal waters to the elusive Dall’s porpoise of the open ocean
  • Porpoises - Animal Streets
    One of the most widespread and studied members of the porpoise family is the harbor porpoise Found throughout the temperate and subarctic coastal waters of the Northern Hemisphere, this small cetacean is an expert at blending in with its surroundings
  • Porpoises
    There are eight extant species of porpoise, all among the smallest of the toothed whales Porpoises are distinguished from dolphins by their flattened, spade-shaped teeth distinct from the conical teeth of dolphins, and lack of a pronounced beak





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