Lowland Tiny Greenbul (Phyllastrephus debilis) [XC510310]
by Peter Boesman from East Usambara lowland forest, Tanga, Tanzania (call)
Lowland Tiny Greenbul (Phyllastrephus debilis) [XC756117]
by id from Arabuko-Sokoke Forest, Kenya (call)
Subspecies
No close relatives. Conspicuously smaller than any of its congeners. Subspecies albigula considered by some to be possibly an incipient species, but intergrades with other subspecies reported.
The following 3 subspecies are recognised:
rabai Hartert & van Someren, 1921 - Central and southern coastal Kenya and north-eastern coastal Tanzania (south to R Rufiji).
albigula (Grote, 1919) - Usambara Mts, Nguru Mts and Nguu Mts, in eastern Tanzania.