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The "Great Auk, Northern Penguin, or Gair-Fowl", wood engraving by Thomas Bewick in A History of British Birds, 1804 [a] The great auk was one of the 4,400 animal species formally described by Carl Linnaeus in his eighteenth-century work Systema Naturae, in which it was given the binomial Alca impennis. [16]
It is the closest living relative of the extinct great auk (Pinguinus impennis). [4] Historically, it has also been known as "auk", [5] "razor-billed auk" [6] and "lesser auk". [7] Razorbills are primarily black with a white underside. The male and female are identical in plumage; however, males are generally larger than females.
Auks are pelagic birds, spending the majority of their adult lives on the open sea and going ashore only for breeding, although some species, such as the common guillemot, spend a great part of the year defending their nesting spot from others. Auks are monogamous, and tend to form lifelong pairs.
During summer, great auk plumage showed a white patch over each eye. During winter, the great auk lost these patches, instead developing a white band stretching between the eyes. The wings were only 15 cm (6 in) long, rendering the bird flightless. Instead, the great auk was a powerful swimmer, a trait that it used in hunting.
The journal covers the anatomy, behavior, and distribution of birds. It was named for the great auk, the symbol of the AOS. In 2018, the American Ornithology Society announced a partnership with Oxford University Press to publish The Auk: Ornithological Advances and The Condor: Ornithological Applications. [1]
Since the extinction of the great auk in the mid-19th century, the murres are the largest living members of the Alcidae. [9] The thick-billed murre and the closely related common guillemot (or common murre, U. aalge ) are similarly sized, but the thick-billed still bests the other species in both average and maximum size.
Pinguinus alfrednewtoni is an extinct species of auk related to the great auk known from fossils that were discovered in the Pliocene Yorktown Formation of North Carolina.Like the great auk, it was a large flightless diving bird that used its wings to propel itself forward underwater.
The rough surf around the island usually made it inaccessible to humans, and one of the last refuges for the flightless bird the great auk (which was also called "garefowl" — "geirfugl" in Icelandic). In a volcanic eruption in 1830 this rock submerged. The surviving great auks moved to a nearby island called Eldey and were wiped out by humans ...