Routes of migratory birds follow today's peaks in resources

Movement of migratory birds is closely linked to seasonal availability of resources. The birds locate the areas with the most resources across continents. Researchers from the Center for Macroecology, Evolution and Climate, University of Copenhagen, have tracked three long-distance migratory birds. By comparing their migration routes to climate projections, the scientists show that finding food may become a challenge to the birds by the end of this century.

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