CONTENT AND IMAGE REFERENCES

1. Images and information on homepage were derived from the website with weblink provided below.

http://www.stevenround-birdphotography.com/Arctic%20Tern.htm 
Last modified: November 26, 2006, Accessed October 25 2006
 All Images Copyright - © Steven Round Bird Photography 2005

2. Images and  information on Mechanism page were derived from the website with weblink provided below

http://bna.birds.cornell.edu/BNA/account/Arctic_Tern/DISTINGUISHING_CHARACTERISTICS.html Last modified: 2004 - 2005, Accessed October 28 2006

http://www.ornithology.com/lectures/MigrandNavig.html 
Last modified: October 19, 2006, Accessed November 26, 2006

http://www.birdnature.com/flyways.html 
Last modified: 2006, Accessed November 26, 2006

http://www.billo.net/pagina_web_00002a.html 
Last modified 2005, Accessed December 4, 2006

3. Images and information on Ontogeny page were derived from the website with weblink provided below

 http://rosssea.info/sub-antarctic-bird-life.html 
Last modified: 2005, Accessed November 20, 2006

http://bna.birds.cornell.edu/BNA/account/Arctic_Tern/Migration.html
Last modified: 2005, Accessed December 3, 2006

http://www.kingdomcounty.com/mission.html 
Last modified: Unknown, Accessed December 4, 2006

http://www.northernlight-uk.com/bird_gallery.htm 
Last modified: July 2000, Accessed December 4. 2006

4. Images and information on Adaptation page were derived from the website with weblink provided below

http://www.ornithology.com/lectures/MigrandNavig.html 
Last modified: October 19, 2006, Accessed November 26, 2006

http://bna.birds.cornell.edu/BNA/account/Blue-winged_Teal/MIGRATION.html 
Last modified:2005, Accessed November 27, 2006

http://www.mmoca.org/starrytransit/navigation.php 
Last modified: 2005, Accessed November 27, 2006

Bellrose, F.C. 1980, Migration. pp. 39 - 42. In: Bellrose's Ducks, Geese and Swans of North America, Stack Pole Books, Harrisburg.

Charles L. Ripper, Rock dove (pigeon) skeleton, 2004 The Cornell Lab of Ornithology\'s Handbook of Bird Biology, Second Edition, edited by S. Podulka, R. Rohrbaugh. Diagram available from: 

http://www.mmoca.org/starrytransit/bird_migration.php
Last modified: 2005, Accessed November 28, 2006

5. Images and information on Phylogeny page were derived from the website with weblink provided below

http://www.bbc.co.uk/radio4/science/migration_why.shtml
Last modified:  Unknown, Last Accessed December 3, 2006

Konarzewski, M. 1995. Allocation of Energy to Growth and Respiration in Avian Postembrayonic Development. Ecology 76: 8-19.