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The lesser nighthawk (Chordeiles acutipennis) is a nightjar found throughout a large part of the Americas. This bird looks similar to the common nighthawk but is slightly smaller, has a slightly less deeply forked tail, and is more buffy in coloration. Their distinctive mouths are very well adapted for capturing insects mid-flight.
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 ...
Least nighthawk: northern South America Chordeiles rupestris: Sand-coloured nighthawk: Bolivia, Brazil, Colombia, Ecuador, Peru, and Venezuela Chordeiles minor: Common nighthawk: South America to northern North America. Chordeiles acutipennis: Lesser nighthawk: United States through South America Chordeiles gundlachii: Antillean nighthawk
Lesser nighthawk: Chordeiles acutipennis (Hermann, 1783) 14 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
Common nighthawk, drawn in 1859. Nightjars are medium-sized nocturnal birds that usually nest on the ground. They have long wings, short legs, and very short bills. Most have small feet, of little use for walking, and long pointed wings. Their soft plumage is cryptically colored to resemble bark or leaves. Lesser nighthawk, Chordeiles acutipennis
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Common nighthawk. Order: Caprimulgiformes Family: Caprimulgidae. Nightjars are medium-sized nocturnal birds that usually nest on the ground. They have long wings, short legs, and very short bills. Most have small feet, of little use for walking, and long pointed wings. Their soft plumage is cryptically colored to resemble bark or leaves.