Square-tailed Nightjar (Caprimulgus fossii) [XC338989]
by Peter Boesman from Mutinondo Wilderness area, Northern Province, Zambia (song)
Square-tailed Nightjar (Caprimulgus fossii) [XC818973]
by Marc Anderson from Tramore Estate, Banket, Mashonaland West Province, Zimbabwe (song)
Subspecies
Formerly considered conspecific with Slender-tailed Nightjar (Caprimulgus clarus), and these two form superspecies with Long-tailed Nightjar (Caprimulgus climacurus). All have frequently been separated in genus Scotornis. In past, birds of coastal eastern Africa sometimes placed in subspecies mossambicus.
The following 3 subspecies are recognised:
fossii Hartlaub, 1857 - Northern and south-western Gabon, and possibly south-western Congo.
welwitschii Barboza du Bocage, 1867 - Southern Zaire, southern Burundi and southern Tanzania south to northern Namibia, northern and eastern Botswana and north-eastern South Africa.
griseoplurus Clancey, 1965 - Kalahari Desert and extreme northern South Africa.