Birds

What is the uppermost central ridge of the upper mandible on a bird called?

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What is the common name of the bird Megapodius pritchardii?
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What is the uppermost central ridge of the upper mandible on a bird called?
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In the first "Book of Kings", which birds brings food to Elijah during a great drought?
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What is the common name of the bird Gorsachius melanolophus?
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What is the state bird and state tree of Minnesota?
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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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What is the common name of the bird Heliangelus regalis?
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Which of the following is a bird of prey?
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