World Bird List

Species factsheet
Least Nighthawk (Chordeiles pusillus)

Order: Chordeiles pusillus
Family: Nightjars (Caprimulgidae)

Voices can be found here (external link)
Subspecies and Distribution
Subspecie Distribution
septentrionalis e Colombia through Venezuela and the Guianas
esmeraldae se Colombia, s Venezuela and nw Brazil
xerophilus Paraíba and Pernambuco (ne Brazil)
novaesi Maranhão and Piauí (ne Brazil)
saturatus e Bolivia and wc Brazil
pusillus Tocantins, Bahia and Goiás (e Brazil)
Annoncer