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During migration, common nighthawks may travel 2,500 to 6,800 kilometres (1,600 to 4,200 mi). They migrate by day or night in loose flocks, frequently numbering in the thousands; [6] flocks have not been observed with a visible leader. The enormous distance travelled between breeding grounds and wintering range is one of the North America's ...
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 ...
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.
While Parker birds for fun in Maine, for work he monitors two migratory bird species, the Eastern whippoorwill and the common nighthawk, one of the longest distance migratory birds in North America.
Crepuscular birds include the common nighthawk, barn owl, [19] owlet-nightjar, chimney swift, American woodcock, spotted crake, white-breasted waterhen, [20] European nightjars, [8] and common buzzards. [21] Many moths, beetles, flies, and other insects are crepuscular and vespertine.
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
The tail is dark with white barring; the underparts are white with black bars. The adult male has a white throat; the female has a light brown throat. The most distinguishing characteristic to determine its identity from its closest relative the common nighthawk are the contrasting pale tertials near the back of the wings of a sitting bird ...
This article is an incomplete list of the bird species found in the Sawtooth National Recreation Area in central Idaho. [1] [2] This list is not an official list, but primarily consists of species that are likely to breed or winter in the Sawtooth National Recreation Area and may exclude vagrants and migrants that may pass through during migration.