Birds
What is the upper surface of the bird's back and wings covered with shorter feathers?
More Questions from Birds
How many times a second can a Hummingbird beat its wings?
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Which of these is a small black and white bird from North America?
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What type of bird was found dead on a road near Boulia, Queensland, in 1990 many years after it was thought to be extinct?
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Which species best matches this description, "type of grouse that live in North American grasslands"?
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What is the sac located on the bird's neck that is inflatable and is only visible in males during courtship displays?
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Also called the supercilicum or superciliary, what is the arch of feathers over each eye of a bird?
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