Plain-backed Sunbird (Anthreptes reichenowi) [XC154800]
by Niall Perrins from Arabuko-Sokoke Forest, Kenya (song)
Plain-backed Sunbird (Anthreptes reichenowi) [XC429899]
by Frank Lambert from Amani Forest Reserve, Road to Amani from Muheza, Tanga Region, Tanzania (call)
Subspecies
Sometimes regarded as forming a superspecies with Anchieta's Sunbird (Anthreptes anchietae).
The following 2 subspecies are recognised:
yokanae Hartert, 1921 - South-eastern Kenya (Sokoke) southern in coastal forests to north-eastern and south-eastern Tanzania.
reichenowi Gunning, 1909 - North-central and eastern Zimbabwe, south-western and south-eastern Mozambique and north-eastern South Africa.