| 1. | They are medium-size with long wings, short legs, and very short bills.
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| 2. | It has a short bill, which is an adaptation to aerial feeding.
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| 3. | The short bill is black; the legs and feet are grey.
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| 4. | They have short bills, which is an adaptation to aerial feeding.
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| 5. | Nighthawks are medium-sized birds with long wings, short legs, and very short bills.
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| 6. | They have long wings, short legs and very short bills.
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| 7. | They are medium-sized nocturnal birds with long pointed wings, short legs and short bills.
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| 8. | This is a large finch with a large short bill.
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| 9. | They have long wings, short legs, and very short bills.
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| 10. | They have a very short bill and a black throat.
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