Lesser Nighthawk (Chordeiles acutipennis) [XC552242]
by Paul Marvin from Proctor Valley Rd, San Diego County, California, United States (flight call)
Lesser Nighthawk (Chordeiles acutipennis) [XC629535]
by Paul Lenrum\u00e9 from Twin Peaks Campground, Organ Pipe Cactus N.M., Pima County, Arizona, United States (song)
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.