Lesser Nighthawk (Chordeiles acutipennis) [XC582142]
by Jarrod Swackhamer from McDonald Rd, Niland, Imperial County, California, United States (flight call)
Lesser Nighthawk (Chordeiles acutipennis) [XC221058]
by Niels Krabbe from Camturama area, Amazonas, Venezuela (call, song, bleating call)
Subspecies
Birds of Baja California formerly separated in subspecies inferior.
The following 7 subspecies are recognised:
texensis Lawrence, 1857 - South-western USA south to central Mexico.
littoralis Brodkorb, 1940 - Southern Mexico south through Central America to Costa Rica and possibly Panama.
acutipennis (Hermann, 1783) - Colombia east through Venezuela, Trinidad and Tobago and the Guianas and south through Brazil (absent from many parts of Amazonia) to northern Bolivia and probably Paraguay.