Malagasy Black Swift (Apus balstoni) [XC762593]
by Ken Behrens from Ranomafana National Park, Fianarantsoa, Madagascar (call)
Malagasy Black Swift (Apus balstoni) [XC623781]
by Peter Boesman from Antanatsimanaja, Antsiranana Rural, Antsiranana Province, Madagascar (flight call)
Subspecies
Apus barbatus (Sibley and Monroe 1990, 1993) has been split into African Swift (Apus barbatus) and Fernando Po Swift (Apus sladeniae) following Dowsett and Forbes-Watson (1993). Madagascar Swift (Apus balstoni) (Sibley and Monroe 1990, 1993) is retained as a separate species contra Dowsett and Forbes-Watson (1993) who include balstoni as a subspecies of African Swift (Apus barbatus).
Considered by some authors to be a subspecies of African Swift (Apus barbatus).
The following 2 subspecies are recognised:
mayottensis (Nicoll, 1906) - Comoro Is. Considered by some authors to be a subspecies of African Swift (Apus barbatus).
balstoni (Bartlett, 1880) - Madagascar region. Considered by some authors to be a subspecies of African Swift (Apus barbatus).