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
In the "Book of Genesis", what was the first bird sent out from Noah's Ark?
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What type of bird is on the album cover of Stevie Nicks' "Bella Donna"?
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What is the common name of the bird Geronticus calvus?
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What body part would reveal much about a bird’s food and lifestyle?
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What is the common name of the bird Columba pallidiceps?
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What do many types of birds, such as geese, do just before it begins to get colder?
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What is the common name of the bird Argusianus argus?
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Which species is a large bird with a bald head?
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