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Article: Foraging sociability of nesting wading birds (Ciconiiformes) at Lake Okeechobee, Florida.
- Article from:
- Wilson Bulletin
- Article date:
- September 1, 1995
- Author:
CopyrightCOPYRIGHT 1995 Wilson Ornithological Society. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Researchers often have debated the issue of whether or not species benefit from colonial nesting because individual birds can exploit con-specifics or similar species for information about profitable foraging locations (Ward and Zahavi 1973, Krebs 1974, Ogden 1978, Custer and Osbom 1978, Pratt 1980, Erwin 1983, Waltz 1983). Ward and Zahavi (1973) initiated the concept of information-sharing at colonies; i.e., birds departing without prior knowledge of profitable foraging grounds may reduce their search time and gain advantage by following other birds to foraging grounds. Observation of birds traveling in groups from colonies was considered corroborating evidence. However, ...