Birds

What is the brightly colored area on the wing (secondaries of the wing) on several duck species?

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What is the common name of the bird Bubo scandiaca?
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What is the common name of the bird Apus unicolor?
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What is located on a bird's wing, and collectively called remiges?
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What animal is a small seed-eating bird from North America?
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What animal is a large North American bird that honks?
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What feature makes it easier for birds to fly?
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What is the common name of the bird Bubulcus ibis?
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What is the common name of the bird Columba bollii?
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