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Changing Seasons: Weatherbirds
North American Birds
  • Stephen J Dinsmore, Iowa State University
  • Andrew Farnsworth, Cornell Laboratory of Ornithology
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The fall migration marks a transition between the breeding and non-breeding seasons. While some species, such as Mourning Dove, are still reproductively active well into autumn, most species that breed north of Mexico and the Caribbean have completed their primary breeding period, and those that migrate are making their way to wintering areas. The sojourn to nonbreeding sites includes some epic migrations, some of which are still being discovered--for example, the 11,000-km presumably non-stop flight of baueri Bar-tailed Godwits from coastal Alaska to New Zealand. Most species have much shorter flights, usually broken into segments, and other species reside in the same area year-round or make only facultative movements.

This article is from North American Birds 60 (2006): 14. Posted with permission.

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American Birding Association
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Stephen J Dinsmore and Andrew Farnsworth. "Changing Seasons: Weatherbirds" North American Birds Vol. 60 Iss. 1 (2006) p. 14 - 26
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