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The common nighthawk resembles both the Antillean nighthawk and the lesser nighthawk and occurs at least seasonally in the entire North American range of both of these species. The lesser nighthawk is a smaller bird and displays more buffy on the undertail coverts , where the common nighthawk shows white.
The subfamily Chordeilinae contains four genera and ten species. [4] Under the genus Chordeiles exists the greatest number of diversity in species in the subfamily with the lesser nighthawk (Chordeiles acutipennis), the Antillean nighthawk (Chordeiles gundlachii), the common nighthawk (Chordeiles minor), the nacunda nighthawk (Chordeiles nacunda), the least nighthawk (Chordeiles pusillus), and ...
Species that live in the far north, such as the European nightjar or the common nighthawk, migrate southward with the onset of winter. Geolocators placed on European nightjars in southern England found they wintered in the south of the Democratic Republic of the Congo. [9] Other species make shorter migrations. [8]
The 2014 State of the Birds Report lists the nighthawk as a "common bird in steep decline." A leading hypothesis for the change in nighthawks is a decline in the insect population.
The nest of the common poorwill is a shallow scrape on the ground, often at the base of a hill and frequently shaded partly by a bush or clump of grass. The clutch size is typically two, and the eggs are white to creamy, or pale pink, sometimes with darker mottling.
The family does not construct a nest of any kind, instead laying the single egg on a depression in a branch or at the top of a rotten stump. The egg is white with purple-brown spots. One parent, often the male, incubates the egg during the day, then the duties are shared during the night.
Here are some of the mot common bug, insect and spider bites you might be dealing with — and insect bite pictures to help you figure out what type of creature is responsible. Tick bites
Common nighthawk: Chordeiles minor (Forster, JR, 1771) 15 Antillean nighthawk: Chordeiles gundlachii Lawrence, 1857: 16 Short-tailed nighthawk: Lurocalis semitorquatus (Gmelin, JF, 1789) 17 Rufous-bellied nighthawk: Lurocalis rufiventris Taczanowski, 1884: 18 Band-tailed nighthawk: Nyctiprogne leucopyga (Spix, 1825) 19 Plain-tailed nighthawk