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An insectivorous nocturnal bird (Nyctidromus albicollis) found from southern Texas through tropical Central and South America and having brown, black, and gray plumage with a white bib.

[American Spanish, perhaps from pauraque, huaraque, the name of a Native American people that once inhabited the Rio Grande region in Texas and northeast Mexico, or perhaps akin to dialectal Mexican Spanish (Rio Grande region) parruaca, pauraque, ultimately imitative of the bird's call.]
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We examined habitat preferences (river versus pond) of great horned owls (Bubo virginianus), eastern screech-owls (Megascops asio), elf owls, lesser nighthawks, common poorwills (Phalaenoptilus nuttallii), and common pauraques (Nyctidromus albicollis) by determining presence and absence for each species at each of the 19 sites (evaluated for each species using a two by two chi-square test).
In the lower Rio Grande Valley during the late 19th century, Sennett (1878) estimated that lesser nighthawks were 10 times as abundant as common pauraques.
Although no species of owl showed a preference for the river, abundance of common pauraques and species richness of nightjars were positively related to the Rio Grande.
A preference for river habitats was detected for the common pauraque ([chi square] = 6.