- Olrog's Gull
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Olrog's Gull 
Conservation status Scientific classification Kingdom: Animalia Phylum: Chordata Class: Aves Order: Charadriiformes Family: Laridae Genus: Larus Species: L. atlanticus Binomial name Larus atlanticus
Olrog, 1958Olrog's Gull (Larus atlanticus) is a species of gull found along the Atlantic coast of southern Brazil, Uruguay and northern Argentina. It was formerly considered a subspecies of the very similar L. belcheri. It is a medium-sized gull with a blackish mantle, white head and underparts, a black band in the otherwise white tail, and a yellow bill with a red and black tip. Non-breeding adults have a blackish head and a white eye-ring. The species is named after Swedish-Argentine biologist Claes C. Olrog.[1][2]
It is threatened by habitat loss. This bird eats small fish, crabs, and people's garbage.
References
- ^ Handford, P. (1987-04). "In Memoriam: Claes Christian Olrog, 1912-1985". The Auk 104 (2): 319–320. JSTOR 4087042.
- ^ Beolens, Bo; Watkins, Michael; Grayson, Michael (2009-09-28). The Eponym Dictionary of Mammals. Baltimore: The Johns Hopkins University Press. pp. 592 (see p. 298). ISBN 978-0801893049. OCLC 270129903. http://google.com/books?id=I-kSmWLc6vYC&pg=PA298.
- BirdLife International 2006. Larus atlanticus. 2006 IUCN Red List of Threatened Species. Downloaded on 24 July 2007.
- José Fernando Pacheco, Joaquim Olinto Branco & Vitor de Queiroz Piacentini (2009). "Olrog’s Gull Larus atlanticus in Santa Catarina, Brazil: northernmost occurrence and first state record". Cotinga 31: 80–81. http://www.neotropicalbirdclub.org/pages/journal.asp?IssueID=31&Article_Link=Pacheco.
External links
Gulls (family: Laridae) Genus Larus Pacific Gull • Belcher's Gull • Olrog's Gull • Black-tailed Gull • Heermann's Gull • Common Gull (or Mew Gull) • Ring-billed Gull • California Gull • Great Black-backed Gull • Kelp Gull (or Cape Gull) • Glaucous-winged Gull • Western Gull • Yellow-footed Gull • Glaucous Gull • Iceland Gull • Kumlien's Gull • Thayer's Gull • European Herring Gull • Heuglin's Gull • American Herring Gull • Yellow-legged Gull • Caspian Gull • Vega Gull (or East Siberian Gull / Mongolian Gull) • Armenian Gull • Slaty-backed Gull • Lesser Black-backed GullIchthyaetus Leucophaeus Chroicocephalus Saundersilarus Hydrocoloeus Rhodostethia Rissa Pagophila Xema Creagrus 
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