Birds

What are the bird's short feathers overlying the median secondary coverts on the top of the wing?

More Questions from Birds
What birds return to San Juan Capistrano shortly before spring begins each year?
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An 1866 Edouard Manet painting is of a woman and what brightly-colored bird?
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Which of these could be used to identify birds?
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Which of these is a bird of prey?
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What is the state bird and state tree of South Carolina?
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What bird lays blue-colored eggs?
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What is the common name of the bird Streptoprocne rutila?
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What is the common name of the bird Collocalia francica?
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