Lesser Nighthawk (Chordeiles acutipennis) [XC554529]
by Paul Marvin from Proctor Valley Rd, San Diego County, California, United States (song)
Lesser Nighthawk (Chordeiles acutipennis) [XC574270]
by Paul Marvin from Proctor Valley Rd, San Diego County, California, United States (call, flight 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.