American Museum of Natural History. 
WHIP-POOR-WILL (Antrostomus vociferus). Length: 1 foot. Range: Eastern 
North America. 
The characteristic call of the whip-poor-will, which gives the bird its name, 
is heard throughout its native woodland on moonlit nights. These useful insect¬ 
eating birds are frequently confused with the night-hawk. 
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