Lewis'sWoodpecker: nice tail views

Just two last pics of this Lewis's Woodpecker bringing food to nestlings that give nice views of the tail. Woodpeckers have very stiff tail feathers that they use to help anchor them to provide stability when engaged in drilling. "The bending stiffness of woodpecker tail feathers is especially high. . . It is this feature that makes them good for bracing the woodpecker against the forces of pecking." (page 9) SeEtta


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