Lesser Nighthawk (Chordeiles acutipennis) [XC608791]
by Richard E. Webster from Whitewater Draw WA, near McNeal, Cochise Co, Arizona, United States (song)
Lesser Nighthawk (Chordeiles acutipennis) [XC443263]
by Manuel Grosselet from Sand Creek Road, Colusa County, California, United States (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.