penguin

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penguin,

originally the common name for the now extinct great aukauk
, common name for a member of the family Alcidae (alcid family), swimming and diving birds of the N Atlantic and Pacific, which includes the guillemots and puffins. Their legs are set far back on their bodies, making them clumsy on land, where they seldom venture except to
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 of the N Atlantic and now used (since the 19th cent.) for the unrelated, generally antarctic diving birds of the Southern Hemisphere. Penguins, which are related most closely to the albatrossesalbatross
, common name for sea birds of the order of tube-nosed swimmers (Procellariiformes), which includes petrels, shearwaters, and fulmars. The wandering albatross, Diomedea exulans, made famous by Coleridge's Rime of the Ancient Mariner,
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, are the most highly specialized of all birds for marine life. They swim entirely by means of their flipperlike wings, using their webbed feet as rudders. Their stiff feathers serve as insulation, and are waterproof when oiled. Since their legs are set far back on their bodies, they waddle awkwardly on land, and often travel by tobogganing on their bellies over the ice as they migrate—sometimes great distances—each fall to their nesting sites.

Underwater they can swim up to 25 mi (40.3 km) per hr as they pursue the fish, squid, and shrimp that form their diet. They do not eat while on land, subsisting on a layer of fat under the skin; this results in weight losses of up to 75 lb (33.8 kg) during the two-month incubation period. Their chief enemies are the leopard seal, killer whale, and skua gull. Penguins are highly gregarious, and a population density of half a million birds in 500 acres has been counted at a colony in Antarctica.

There are 17 species of penguins, 10 of which are considered endangered or threatened. The largest penguins, the emperor and the king (3–4 ft/91.5–122 cm in height), incubate their eggs between their feet in a fold of skin. The smaller jackass penguins, Spheniscus demersus, are named for their braying cry, and crested penguins (genus Eudyptes) are distinguished by yellow plumes on either side of the head. Smallest of all is the little blue penguin, Eudyptula minor, of New Zealand and Australia, which is 16–17 in. (41–44 cm) tall. Other penguins also live in more northerly waters, such as the Galápagos penguin Spheniscus mendiculus, found in equatorial waters.

Penguins are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Aves, order Sphenisciformes, family Spheniscidae.

Bibliography

See E. G. Simpson, Penguins, (1982).

What does it mean when you dream about a penguin?

Dreaming about a penguin or about being a penguin can indicate emotional coldness or a sense of isolation. A penguin, as a bird that can’t fly, can also represent someone who seems to be able to function despite lacking something essential. A penguin might also symbolize a recalled image of someone wearing a tuxedo.

penguin

[′peŋ·gwən]
(vertebrate zoology)
Any member of the avian order Sphenisciformes; structurally modified wings do not fold and they function like flippers, the tail is short, feet are short and webbed, and the legs are set far back on the body.

penguin

1. any flightless marine bird, such as Aptenodytes patagonica (king penguin) and Pygoscelis adeliae (Adélie penguin), of the order Sphenisciformes of cool southern, esp Antarctic, regions: they have wings modified as flippers, webbed feet, and feathers lacking barbs
2. an obsolete name for great auk

penguin

(1) (Penguin) A periodic set of changes to the Google search algorithm. See Google algorithm.

(2) The mascot for the Linux operating system, which was inspired by Linux Torvalds, creator of Linux. The mascot's name is "Tux," which stands for Torvalds UniX or tuxedo. Many people think penguins look like they are wearing a tux. See Penguinhead and Linux.


The Linux Mascot
Linux users see penguin symbols often in their travels around the Linux world. This penguin appears on the desktop of Linux users running the KDE user interface.

Penguin

(dreams)
The penguin is an interesting earth-bound bird that lives in and around the ocean. As a dream symbol it may represent concrete thinking, feelings of being burdened by unwanted emotions, lethargy, and a need to achieve balance. Think about your dream and see if any of these ideas are relevant to you. Superstition-based dream interpretation books say that the penguin indicates that your problems are not as serious as you may think them to be.
References in periodicals archive ?
Just two weeks ago, a gang of mini-marauders mugged PC Pete the Penquin at an open day at Wishaw police headquarters a few miles down the road from Motherwell .
Martin's Press and Penquin U.S.A., in lawsuits charging violation of antitrust laws by offering preferential pricing and promotional allowance funds to chains.
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Thomson, New York, Revised with Notes and Appendices by Hugh Tredennick, Introduction and bibliography by Jonathan Barnes, Penquin Books, revised edition, 1976.
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Penquin and and Financial Times publisher Pearson did little to raise hopes of a turnaround in the advertising market yesterday.
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Best of all though was the chance to observe the penquins at close quarters from making a nest, mating and watching the hatching of the chicks.
TELECOMWORLDWIRE-July 20, 2011-California Academy of Sciences introduces 'Pocket Penquins' app(C)1994-2011 M2 COMMUNICATIONS http://www.m2.com
PITTSBURGH Penquins slumped to their 16th straight defeat when they crashed 4-3 to New York Islanders.