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

References

• 2011. "The IUCN Red List of Threatened Species" (On-line). Accessed February 24, 2011 at http://www.iucnredlist.org/.
• Attenborough, D. 1998. The Life of Birds. Princeton, New Jersey: Princeton University Press.
• B., Bruun., & S. Baha El Din.   (1985).  Common Birds of Egypt, The American University in Cairo Press, Cairo..  
• 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. 79
• Bigot, E., M. Hausberger, J. Black. 1995. Exuberant youth: The example of triumph ceremonies in Barnacle geese (Branta leucopsis). Ethology Ecology & Evolution, 7: 79-85. Accessed April 14, 2011 at http://www.fupress.net/index.php/eee/article/viewFile/686/632.
• BirdLife International 2009. Branta leucopsis
• Butler, P., C. Bishop, A. Woakes. 2003. Chasing a Wild Goose: Posthatch Growth of Locomotor Muscles and Behavioral Physiology of Migration of an Arctic Goose. Pp. 527-542 in P Berthold, E Gwinner, E Sonnenschein, eds. Avian Migration. New York: Springer.
• Clements, J. 2007. The Clements Checklist of Birds of the World. Ithaca, New York: Cornell University Press.
• Dickinson, Edward C., ed. 2003. The Howard and Moore Complete Checklist of the Birds of the World, 3rd edition. 1039
• Gill, Frank, and Minturn Wright. 2006. Birds of the World: Recommended English Names. ix + 259
• Goodfellow, P. 1977. Birds as Builders. New York: Arco Publishing.
• Gosler, A. 2007. Birds of the World: A Photographic Guide. New York: Firefly Books.
• Harris, T. 2009. National Geographic: Complete Birds of the World. Washington, D.C.: National Geographic.
• Jonker, R., M. Kuiper, L. Snijders, S. Van Wieren, R. Ydenberg, H. Prins. 2011. Divergence in timing of parental care and migration in barnacle geese. Behavioral Ecology, 22 (2): 326-331.
• List of longevity records in Britain & Ireland (Online source)
• M., Tharwat.   (1997).  ‘Birds Known to occur in Egypt’, National Biodiversity Unit, no. 8, Egyptian Environmental Affairs Agency, Cairo..  
• Ogilvie, M. 1978. Wild Geese. South Dakota: Buteo Books.
• R., Porter., & D. Cottridge.   (2000).  Birds of Egypt and the Middle East, The American University in Cairo Press, Cairo..  
• S., Baha El Din., J. Hobbs., W. Mullie., S. Goodman., & P. Meininger.   (1989).  The Birds of Egypt, Oxford University Press, New York..  
• Sale, R. 2006. A Complete Guide to Arctic Wildlife. New York: Firefly Books.
• Skutch, A. 1976. Parent Birds and Their Young. Austin: University of Texas Press.
• Wheye, D., D. Kennedy. 2008. Humans, Nature, and Birds. New Haven: Yale University Press.