The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.

References

  • 1996. database, NODC Taxonomic Code
  • 2011. Zoonomen - Zoological Nomenclature Resource, 2011.04.02
  • 2011. AOU Check-List (08-2011)
  • 2011. IOC World Bird List, Master List v2.9
  • Adriaens, P. (2014). Larus delawarensis Ord, 1815. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=148797
  • American Ornithologists's Union. 1998. Check-List of North American Birds (The Species of Birds of North America from the Arctic through Panama, Including the West Indies and Hawaiian Islands). 7th.ed.. Allen Press, Inc., Lawrence, Kansas, U.S.A..
  • Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes. 2003. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada
  • Banks, R. C., R. W. McDiarmid, A. L. Gardner, and W. C. Starnes. 2003. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada
  • Banks, R. C., R. W. McDiarmid, and A. L. Gardner. 1987. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada. Resource Publication, no. 166
  • Banks, R. C., R. W. McDiarmid, and A. L. Gardner. 1987. Checklist of Vertebrates of the United States, the U.S. Territories, and Canada. Resource Publication, no. 166. 79
  • BirdLife International 2012. Larus delawarensis
  • Christian RR, Luczkovich JJ (1999) Organizing and understanding a winter’s seagrass foodweb network through effective trophic levels. Ecol Model 117:99–124
  • Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2014. The eBird/Clements checklist of birds of the world: Version 6.9. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  • Delgado, R.; R.G. Campos; J. Sánchez y Ch. Gómez. 1998. Lista de Aves de Costa Rica/ Checklist of Costa Rican Birds. ASOCIACION ORNITOLOGICA DE COSTA RICA. San José. Costa Rica. 28 p..
  • Elizondo, L.H. 1992. Especies de Aves Migratorias Neárticas en Costa Rica. Base de Datos de Biodiversidad, Instituto Nacional de Biodiversidad (INBio). Santo Domingo, Heredia. Costa Rica. 6 p. (mimeografiado).
  • Farrand, J. 1988. Eastern Birds; An Audubon Handbook. New York: McGraw-Hill, Inc.
  • Fisher, C., A. Chartier. 1997. Birds of Detroit. Canada: Lone Pine Publishing.
  • Gill, Frank, and Minturn Wright. 2006. Birds of the World: Recommended English Names
  • Gill, Frank, and Minturn Wright. 2006. Birds of the World: Recommended English Names. ix + 259
  • John Terres (1980) The Audubon Society Encyclopedia of North American Birds. Knopf: New York.
  • Larus delawarensis. Xeno-canto. Xeno-canto Foundation, n.d. Web. 20 July 2012. http://xeno-canto.org/browse.php?query=Larus+delawarensis.
  • Lewis, T.J. & F.G. Stiles.1980. Locational checklist of the birds of Costa Rica. Costa Rica Expeditions. San José, Costa Rica.
  • Longevity Records: Life Spans of Mammals, Birds, Amphibians, Reptiles, and Fish (Online source)   http://www.demogr.mpg.de/longevityrecords External link.
  • Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 16, 2011 at http://animaldiversity.org. http://www.animaldiversity.org
  • Orrell T. (custodian) (2013). ITIS Global: The Integrated Taxonomic Information System (version Sept 12). In: Species 2000 & ITIS Catalogue of Life, 11th March 2013 (Roskov Y., Kunze T., Paglinawan L., Orrell T., Nicolson D., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Hernandez F., De Wever A., eds). Digital resource at www.catalogueoflife.org/col/. Species 2000: Reading, UK.
  • Palmer, E., H. Fowler. 1975. Fieldbook of Natural History, 2nd ed. New York: McGraw-Hill, Inc.
  • Peterson, R. 1967. A Field Guide to the Birds: Eastern Land and Water Birds, 2nd ed. Boston: Houghton Mifflin Company.
  • Peterson, Roger Tory. Birds of Eastern and Central North America. Boston: Houghton Mifflin, 1980. Print.
  • Pollet, Ingrid L., David Shutler, John Chardine and John P. Ryder. 2012. Ring-billed Gull (Larus delawarensis), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/033
  • Ring-billed Gull (Larus delawarensis). The Internet Bird Collection. Lynx Edicions, n.d. Web. 20 July 2012. http://ibc.lynxeds.com/species/ring-billed-gull-larus-delawarensis.
  • Ryder, J. 1993. Ring-billed Gull. Pp. 1-28 in A Poole, P Stettenheim, F Gill, eds. The Birds of North America, Vol. 33. Philadelphia: The Academy of Natural Sciences; Washington, D.C.: The American Ornithologists' Union.
  • Sibley, Ch. and B. Monroe, Jr.. 1990. Distribution and Taxonomy of Birds of the World. Yale University Press. New Haven & London. 1111 p.
  • Slud, P. 1964. The birds of Costa Rica: Distribution and Ecology. Bulletin of The American Museum of Natural History 128: 5-430
  • Stiles, F.G. & A. F.Skutch. 1995. Guía de Aves de Costa Rica.Traducción al Español: Loretta Rosselli. Ilustrado por Dana Gardner. Instituto Nacional de Biodiversidad (INBio). Heredia, Costa Rica. 580 p.
  • Stiles, F.G. 1983. Checklist of birds. Pp. 530-544, In: D.H. Janzen (ed.). Costa Rican Natural History. University of Chicago Press, Chicago.
  • Stiles,F.G. y S. Smith. 1977. New Information on Costa Rican Waterbirds. The Condor 79: 91-97.
  • eBird Range Map - Ring-billed Gull. eBird. Cornell Lab of Ornithology, N.d. Web. 20 July 2012. http://ebird.org/ebird/map/ribgul.
  • http://birdsite.org/media/show/1368

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