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120px-LogoWIKISPECIES01 lot. Gavia immer
Gavia immer -Minocqua, Wisconsin, USA -swimming-8
Gavia immer -Maine, USA -nest-8a (1)
Loon, common 04-24 a
Gavia Immer-map-localisation
Gavia immer
Ledinis naras,
Lizdas,
Jauniklis,
Paplitimo arealas
Apsaugos būklė

Ledinis naras - Gavia immer Brunnich, 1764, chordinių (Chordata) tipo (Aves) klasės (Gaviiformes) būrio (Gaviidae) šeimos (Gavia) genties rūšis.

Išvaizda Redaguoti

Dydis 32-40 cm, svoris – 2500-4000 g. Galva, kaklas, nugara, sparnai ir uodega juodi. Ant gerklės skersinės baltos juostos. Nugarinė pusė išmarginta didelėmis baltomis dėmėmis, pilvinė balta. Kojos rusvos, gelsvo atspalvio. Poilsio rūbuose vyrauja tamsiai rusva spalva, tik plunksnų pakraščiai tamsiai pilki. Jaunikliai panašūs į suaugusius žiemos rūbais.

Biologija Redaguoti

Mityba Redaguoti

Paplitimas Redaguoti

Gyvena šiaurės vakarų kraštuose. Labai retai užklysta į Baltijos pajūrį.


Literatūra Redaguoti

  • WoRMS (2011). Gavia immer (Brunnich, 1764). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=137187 on 2011-02-18
  • ITIS database Žr.
  • Cattrijsse, A.; Vincx, M. (2001). Biodiversity of the benthos and the avifauna of the Belgian coastal waters: summary of data collected between 1970 and 1998. Sustainable Management of the North Sea. Federal Office for Scientific, Technical and Cultural Affairs: Brussel, Belgium. 48 pp. Žr.
  • van der Land, J. (2001). Tetrapoda, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 375-376 Žr.
  • Banks, R.C., R.W. McDiarmid, and A.L. Gardner. 1987. Checklist of vertebrates of the United States, the U.S. Territories, and Canada. U.S. Fish and Wildlife Service Resource Publication No. 166. 79 p. Žr.
  • Field Guide to Birds of North America 1983 Žr.
  • Grand Manan Whale and Seabird Research Station. Žr.
  • Linkletter, L.E. 1977. A checklist of marine fauna and flora of the Bay of Fundy. Huntsman Marine Laboratory, St. Andrews, N.B. 68 p. Žr.
  • Peterson, R.T. and V.M. Peterson. 2002. A field guide to the birds of eastern and central North America. Fifth Edition. Peterson Field Guide Series. Houghton Mifflin Company. New York. 427 p. Žr.
  • Squires, H.J. 1990. Decapod Crustacea of the Atlantic coast of Canada. Canadian Bulletin of Fisheries and Aquatic Sciences 221. 532 p. Žr.
  • Vanner, M. 2003. The encyclopedia of North American birds. Paragon Publishing. Bath. 383 p. Žr.
  • Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. Commission Régionale de Biologie Région Nord Pas-de-Calais: France. 307 pp. Žr.
  • Gallardo, J. C., V. Macías, and E. Velarde. 2009. Birds (Vertebrata: Aves) of the Gulf of Mexico, Pp. 1321–1342 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas. Žr.
  • Gavia immer. BirdLife International (2011) The BirdLife checklist of the birds of the world, with conservation status and taxonomic sources. Version 4. Additional information on this species.
  • 2011 IUCN Red List. The IUCN Red List of Threatened Species.
  • AERC TAC (2003) AERC TAC Checklist of bird taxa occurring in Western Palearctic region, 15th Draft. Association of European Rarities Committees.
  • AOU (1998 + supplements) Check-list of North American birds. Seventh edition. Washington, D.C.: American Ornithologists' Union.
  • Cramp, S. and Perrins, C. M. (1977-1994) Handbook of the birds of Europe, the Middle East and Africa. The birds of the western Palearctic. Oxford: Oxford University Press.
  • Sibley, C. G. and Monroe, B. L. (1990) Distribution and taxonomy of birds of the world. New Haven, USA: Yale University Press.
  • Stotz, D. F., Fitzpatrick, J. W., Parker, T. A. and Moskovits, D. K. (1996) Neotropical birds: ecology and conservation. Chicago: University of Chicago Press.

Nuorodos Redaguoti

Sinonimai Redaguoti

Sistematika Redaguoti

    Rūšis
Ledinis naras
(Gavia immer)
   
Būrys
Nariniai paukščiai
(Gaviiformes)
  Šeima
Nariniai
(Gaviidae)
  Gentis
Narai
(Gavia)
   
         
  Klasė
Paukščiai
(Aves)
      dar 4 rūšys
     
  dar 27 būriai  
 

Išnašos Redaguoti

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