Recipe For Energy Saving Unravelled In Migratory Birds

Pointed wings together with carrying less weight per wing area and avoidance of high winds and atmospheric turbulence save a bird loads of energy during migration. This has been shown for the first time in free-flying wild birds by researchers at Princeton University, the University of Montana, and the German Max Planck Institute for Ornithology. They state that climate change might have a critical impact on small migrants' energy budgets if it causes higher winds and atmospheric instability as predicted.

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