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Appearance. This medium-sized bird has large, flattened head and long, narrow, pointed wings. The bill of Common nighthawks is small while the mouth and eyes are large. The long tail is notched and brown with buff bands. Across the long feathers, bordering the wings, the bird has wide white stripe, which is visible when flying.
Across North America, threats include reduction in mosquitoes and other aerial insects due to pesticide use, and habitat loss of open woods in rural areas and flat gravel rooftops in urban ones. Nighthawks are also vulnerable to being hit by cars as they forage over roads or roost on roadways at night.
Common Nighthawk. Chordeiles minor (JR Forster, 1771) COMNI 7860. Family: Caprimulgiformes > Caprimulgidae. Similar in size to a Nightjar, but with larger white wing markings, the Common Nighthawk is a very rare visitor from North America. Within its native range, the Common Nighthawk is migratory, breeding in North America south of the tundra ...
On warm summer evenings, Common Nighthawks roam the skies over treetops, grasslands, and cities. Their sharp, electric peent call is often the first clue they’re overhead. In the dim half-light, these long-winged birds fly in graceful loops, flashing white patches out past the bend of each wing as they chase insects. These fairly common but declining birds make no nest. Their young are so ...
Climate Threats Facing the Common Nighthawk Choose a temperature scenario below to see which threats will affect this species as warming increases. The same climate change-driven threats that put birds at risk will affect other wildlife and people, too.
Threats to this interesting bird include pesticide use — leading to reduction in the insects the nighthawks forage on — and habitat loss. Common Nighthawks are also vulnerable to collisions with cars, since they forage over roads and sometimes roost on roadways at night.
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Feb 3, 2021 · A new study led by Smithsonian Migratory Bird Center and University of Alberta biologists has created a comprehensive picture of the 10,000 kilometer migratory route of common nighthawks using GPS data. The study, published Feb. 2 in Ecography, is the first step in analyzing where and why nighthawk population numbers are declining.
