Buff-collared Nightjar (Antrostomus ridgwayi) [XC282213]
by theroamingfro from Lower California Gulch, Santa Cruz County, Arizona, United States (song)
Buff-collared Nightjar (Antrostomus ridgwayi) [XC135258]
by Peter Wilton from Coronado National Forest (near Green Valley), Pima, Arizona, United States (song)
Subspecies
The following 2 subspecies are recognised:
ridgwayi (Nelson, 1897) - Extreme south-western USA and western and southern Mexico.
troglodytes (Griscom, 1930) - Central Guatemala, central Honduras and central Nicaragua.