Common Poorwill (Phalaenoptilus nuttallii) [XC820861]
by from Cache, Comanche County, Oklahoma, United States (call, song)
Common Poorwill (Phalaenoptilus nuttallii) [XC407881]
by Lance A. M. Benner from East Loma Alta Drive, Altadena, Los Angeles County, California, United States (flight call)
Subspecies
The following 6 subspecies are recognised:
nuttallii (Audubon, 1844) - South-western Canada south through western USA to northern Mexico.
californicus Ridgway, 1887 - Western California and north-western Baja California.