Booming sound provided by The Macaulay Library at the Cornell Lab of Ornithology, Ithaca, New York recorded by G.A. # Producer: John Kessler Managing Producer: Jason Saul Editor: Ashley Ahearn Associate Producer: Ellen Blackstone Assistant Producer: Mark Bramhill Narrator: Michael Stein Call of the Common Nighthawk provided by "websounds" recorded by R. This acrobatic nighthawk really knows how to impress his potential mate. That’s the wind rushing through the male nighthawk’s wingfeathers. With any luck, you might see the male’s territorial display, as it dives sharply toward the earth only to pull up at the last second - making this amazing sound. Watch for Common Nighthawks overhead, just after sunset. They’re about the size of a robin, but have much longer wings that stretch out - like two dark boomerangs - propelling their erratic flight. Common Nighthawks travel to North America in spring from Brazil and other South American countries, where they spend the winter. They will also use group members to help protect the nest from predators by giving alarm calls or harassing any animals who threatens their nest. Nighthawks and nightjars have short bills that open wide, so they can vacuum up their insect prey as they fly along. It’s more closely related to the nocturnal nightjars, such as the Whip-poor-wills of eastern North America. During the breeding season, the male makes a booming sound by flexing his wings while diving, making air rush through his primaries. Courting males give a croaking auk auk auk call. But the Common Nighthawk is not really a hawk at all. When defending a nest, the female gives a hissing or throaty cluck. Each gray-and-white male may mate with several females, which are larger and brown. Up close it has an owlish face that helps it hear mice and voles beneath the vegetation. It jerks and twists, making sudden, choppy shifts of direction to snatch its prey. If outside office hours/urgent contact the police (See above). The Northern Harrier is distinctive from a long distance away: a slim, long-tailed hawk gliding low over a marsh or grassland, holding its wings in a V-shape and sporting a white patch at the base of its tail. The hawk parents feed their young until the young birds can leave the nest, usually when theyre. Swooping and diving through the air on its long slender wings, the nighthawk emerges at dusk to chase down aerial insects. Baby red-tailed hawks are covered with white, downy feathers. The flight call of the Common Nighthawk vividly evokes a warm summer evening. Written by Bob Sundstrom This is BirdNote.
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