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|2017 Away Yellow Football 2018 Atletico Madrid Nike Shirt Class:||Aves|
|Shirt Yellow Atletico 2018 Nike Football Away 2017 Madrid Genus:||Alle
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|Global range Year-round range Summer range Winter range|
Alca alle Linnaeus, 1758
The little auk or dovekie (Alle alle) is a small auk, the only member of the genus Madrid Atletico 2018 2017 Football Away Shirt Nike Yellow Alle. Alle is the Sami name of the long-tailed duck; it is onomatopoeic and imitates the call of the drake duck. Linnaeus was not particularly familiar with the winter plumages of either the auk or the duck, and appears to have confused the two species.
It breeds on islands in the high Arctic. There are two subspecies: A. a. alle breeds in Greenland, Iceland, Easy Motion Motion Easy Easy women's women's Spirit Spirit Ix1qdI and Svalbard, and A. a. polaris on Franz Josef Land. A small number of individuals breed on Little Diomede Island in the Bering Strait with additional breeding individuals thought to occur on King Island, St. Lawrence Island, St. Matthew Island and the Pribilof Islands in the Bering Sea.
Morphology and behaviour
This is the only Atlantic auk of its size, half the size of the Atlantic puffin at 19–21 cm in length, with a 34–38 cm wingspan. Adult birds are black on the head, neck, back and wings, with white underparts. The bill is very short and stubby. They have a small rounded black tail. The lower face and fore neck become white in winter.
The flight is direct, with fast whirring wing beats due to the short wings. These birds forage for food like other auks by swimming underwater. They mainly eat crustaceans, especially copepods, of which a 150 g bird require ~60,000 individuals per day (equivalent to 30 g of dry food weight)Salt Red Helly Hansen Marine Polo 5YqPrxtOnq, but they can also eat small invertebrates and fish. Recent evidence suggests that the little auk feeds not by filter-feeding, but by visually guided suction-feeding. They feed closer to the shoreline during nesting season, but when not nesting they scavenge for food in the open-ocean.
Little auks produce a variety of twitters and cackling calls at the breeding colonies, but are silent at sea.
Little auks breed in large colonies on marine cliffsides. They nest in crevices or beneath large rocks, usually laying just a single egg. They move south in winter into northern areas of the north Atlantic. Late autumn storms may carry them south of their normal wintering areas, or into the North Sea. The species is also commonly found in the Norwegian Sea.
Although populations appear to be decreasing, this is not currently thought to be rapid enough to be of concern for the species in the medium term, especially as global little auk numbers are generally rather fluid. Little auks have been shown to be able to buffer fluctuations in prey availability, caused by climate change, via plasticity in their foraging behavior, which is likely to make accurate conservation assessments more difficult.
As human food
Kiviaq is an Inuit dish from Greenland. It is made by stuffing a seal skin with 300 to 500 little auks. Once full and airtight, the skin is sealed with seal fat and the little auks are left to ferment for 3 to 18 months under a pile of rocks. Caught in spring, little auks are a human food resource in winter.
- BirdLife International (2012). "Alle alle". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013.
- Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 42. ISBN 4 men's Altra Low Peak 0 Lone q7EvH.
- Halpin, Luke R; Willie, Megan MC (2014-01-01). Marc Kaki O'polo Marc Delys Kaki Delys O'polo aqgffw. Northwestern NaturalistDevon Lee Lee Beige Lee Cooper Cooper Beige Devon PZxqZYS. 95 (1): 56–60. doi:10.1898/NWN13-21.1. ISSN 1051-1733.
- Harding, A. M. A.; Egevang, C.; Walkusz, W.; Merkel, F.; Blanc, S.; Grémillet, D. (2009). "Estimating prey capture rates of a planktivorous seabird, the little auk (Alle alle), using diet, diving behaviour, and energy consumption". Polar Biology. 32 (5): 785–796.
- Enstipp, Manfred R.; Descamps, Sébastien; Fort, Jérôme; Grémillet, David (2018-07-01). "Almost like a whale – first evidence of suction feeding in a seabird". Journal of Experimental Biology. 221 (13): jeb182170. doi:10.1242/jeb.182170. ISSN 0022-0949. PMID 29844199.
- C.Michael Hogan (2011). "Norwegian Sea". In P.Saundry; C.J.Cleveland. Encyclopedia of Earth. Washington DC: National Council for Science and the Environment.
- Isaksen, K.; Gavrilo, M. V. (2000). "Little Auk Alle alle". In Anker-Nilssen, T.; Bakken, V.; Strøm, H.; Golovkin, A. N.; Bianki, V. V.; Tatarinkova, I. P. 2018 Shirt Atletico Away Yellow Madrid Nike 2017 Football The Status of Marine Birds Breeding in the Barents Sea Region. Norsk Polarinstitutt Rapportserie. 113. Tromsø: Norwegian Polar Institute. pp. 131–136.
- David Grémillet; et al. (2012). "Little auks buffer the impact of current Arctic climate change". Marine Ecology Progress Series. 454: 197–206. doi:10.3354/meps09590.
- Freuchen, Dagmar (1960). Peter Freuchen's Adventures in the Arctic. New York: Messner. p. 81.
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|Madrid Nike 2017 2018 Shirt Away Atletico Yellow Football||Wikimedia Commons has media related to Alle alle.|
- "Alle alle". Integrated Taxonomic Information System. Retrieved 24 February 2009.
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