Slender-tailed Nightjar (Caprimulgus clarus) [XC92924]
by James and David Bradley from kisongo, arusha, Tanzania (song)
Slender-tailed Nightjar (Caprimulgus clarus) [XC92723]
by Stein \u00d8. Nilsen from Kisongo, Arusha, Tanzania (song)
Subspecies
Formerly considered conspecific with Square-tailed Nightjar (Caprimulgus fossii), and these two form superspecies with Long-tailed Nightjar (Caprimulgus climacurus). All have frequently been separated in genus Scotornis. Northern populations formerly awarded separate subspecies, apatelius.