Birds

Also called the operculum, what is a smooth and featherless patch of skin on a bird located where the beak attaches to the forehead?

More Questions from Birds
Which of the following is not a type of bird?
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What is only found in male birds and consists of a colored area over the eye?
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About how many species of birds are there in the world?
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What is the state bird and state tree of Indiana?
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Which bird cannot fly?
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What is the state bird of South Dakota?
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What is the state bird and state tree of Illinois?
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What animal is a large flightless Australian bird?
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