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Spring migration phenology of birds in the Northern Prairie region is correlated with local climate change

David L. Swanson, Auteur ; Jeffrey S. Palmer, Auteur

Dans Journal of Field Ornithology (80(4) DEC 2009)

In apparent response to recent periods of global warming, some migratory birds now arrive earlier at stopover sites and breeding grounds. However, the effects of this warming on arrival times vary among locations and species. Migration timing is[...]

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