Northern Puffback (Dryoscopus gambensis) [XC896699]
by id from Brufut, Kombo North, Banjul, Gambia (call)
Northern Puffback (Dryoscopus gambensis) [XC352791]
by Bram Piot from Agoro Agu Forest Reserve, Lamwo, Northern Region, Uganda (call, song)
Subspecies
Considered to form a superspecies with Pringle's Puffback (Dryoscopus pringlii), the two being very alike in plumage and having parapatric ranges (some sympatry in southern Ethiopia). In eastern range, size decreases clinally from northern (Sudan) to southern (Itombwe); subspecies erwini rather poorly differentiated, sometimes subsumed in malzacii.
The following 5 subspecies are recognised:
gambensis (Lichtenstein, 1823) - Extreme southern Mauritania and Senegambia east to western Cameroon and Gabon.