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Article: Dispersal and habitat use by post-fledging juvenile Snowy Egrets and Black-crowned Night-Herons.
- Article from:
- Wilson Bulletin
- Article date:
- June 1, 1996
- Author:
CopyrightCOPYRIGHT 1996 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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Little is known about survival, movements, or habitat use during the post-breeding period for most North American migratory birds (Finch and Stangel 1993). Even for large, conspicuous species such as colonial waterbirds, few quantitative dispersal data have been published. Numerous anecdotal reports indicate that many terns, gulls, and wading birds move northward along the coasts and large interior rivers of the United States after the nesting season. In some regions, the movement pattern is constrained by geography, with waterbirds often following major drainages (Gill and Mewaldt 1979) regardless of the cardinal direction or following a peninsula or island archipelago ...