Poor winter homes delay bird nesting
An analysis of carbon isotopes in migratory bird tissue links poor winter habitat to late arrival at breeding grounds the next summer.
Marra, P.P., K.A. Hobson, and R.T. Holmes. 1998. Linking winter and summer events in a migratory bird by using stable-carbon isotopes. Science 282(Dec. 4):1884.
Additional information about migratory birds is available at the Smithsonian Migratory Bird Center's Web site at http://www.si.edu/natzoo/zooview/smbc/smbchome.htm and at Environment Canada's Web site at http://www.mb.ec.gc.ca/ENGLISH/LIFE/MIGBIRDS/.
Adler, T. 1995. Think big to save birds on the edge. Science News 147(April 1):198.
Peter P. Marra
National Zoological Park
Smithsonian Migratory Bird Center
Washington, DC 20008
Trevor D. Price
University of California, San Diego
Department of Biology
9500 Gilman Drive
La Jolla, CA 92093-0346
Scott K. Robinson
201 Shelford Vivarium
606 East Healey Street
Champaign, IL 61820
From Science News, Vol. 154, No. 23, December 5, 1998, p. 356. Copyright Ó 1998 by Science Service.
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