Band-winged Nightjar (Systellura longirostris) [XC568514]
by Arthur Gomes from Serra dos Cocais, Valinhos, S\u00e3o Paulo, Brazil (flight call, song)
Band-winged Nightjar (Systellura longirostris) [XC764580]
by Fabian Falla from Catamarca: between Las Juntas and La Silleta, Argentina (call, song)
Subspecies
Subspecies ruficervix has sometimes been treated as a separate species, but geographical variation in voice remains too poorly known to provide a clear picture of the relationships.
The following 9 subspecies are recognised:
ruficervix (Sclater, PL, 1866) - Western and northern Venezuela, western Colombia and Ecuador.
roraimae Chapman, 1929 - Pantepui of southern Venezuela. Considered by some authors to be a distinct species, Tepui Nightjar (Systellura roraimae).
atripunctata (Chapman, 1923) - Central and southern Peru, central and south-western Bolivia, north-western Argentina and northern Chile.
decussatus Tschudi, 1844 - South-western Peru and extreme northern Chile.
bifasciata Gould, 1837 - Chile and western Argentina; southernmost populations are migratory, migrating to northern Argentina.
longirostris (Bonaparte, 1825) - South-eastern Brazil, north-western and central Paraguay, north-eastern Argentina and Uruguay.
patagonica Olrog, 1962 - Central and southern Argentina; southernmost populations are migratory, migrating to north-eastern Argentina and Paraguay.