Common Raven Bibliography

Source: 1 Berg, R. and T. Dewey. 1999. "Corvus corax" (On-line), Animal Diversity Web. Accessed April 07, 2004 at http://animaldiversity.ummz.umich.edu/site/accounts/information/Corvus_corax.html.

Source: 2 Coe, James. Cornell Laboratory of Orthnology. Common Raven (Corvus corax)Retrieved: March 14, 2004 from: http://birds.cornell.edu/BOW/COMRAV/

Source: 3 Karl, Jason. Corvus corax (Common Raven) Retrived: March 29, 2004 from:             http://imnh.isu.edu/digitalatlas/bio/birds/sngbrd/corvids/cora/cora_mai.htm

Source: 4  Natural Audubon Society. The Sibley Guide to Bird life and Behavior. Affred A.Knopf,  New York Inc. The Chanticleer Press Edition

Source: 5 Robbins, C.S. Corvus corax (Common Raven) Photo. Retrieved: March 29, 2004 from:             http://imnh.isu.edu/digitalatlas/bio/birds/sngbrd/corvids/cora/cora_mai.htm

Source: 6 United States Geological Survey. Common Raven Corvus corax Summer Distribution Map. Retrieved April 3, 2004 from: http://www.mbr-pwrc.usgs.gov/bbs/htm96/map617/ra4860.html

Source: 7 United States Geological Survey. Common Raven Corvus Corax Map of Winter Distribution. Retrieved April 3, 2004 from: http://www.mbr- pwrc.usgs.gov/bbs/cbcra/h4860ra.html