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Wetlands International. 2009. Flyways: corridors of bird migration. http://wow.wetlands.org/INFORMATIONFLYWAY/FLYWAYCONSERVATION/tabid/173/language/en-US/Default.aspx [Accessed 19 March 2010]. Arctic Tern Migration Project. 2009. Maps for press use. http://www.arctictern.info/carsten/maps.html [Accessed 19 March 2010]. American Cetacean Society. Fact Sheets. http://www.acsonline.org/factpack/index.html [Accessed 19 March 2010].