Lesser Nighthawk (Chordeiles acutipennis) [XC574268]
by Paul Marvin from Proctor Valley Rd, San Diego County, California, United States (call, flight call)
Lesser Nighthawk (Chordeiles acutipennis) [XC257766]
by John V. Moore from Loja: SW of Zapotillo, Ecuador (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.