La receta para una migración más eficaz

Pointed Wings, Low Wingloading and Calm Air Reduce Migratory Flight Costs in Songbirds

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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