Yellow Longbill (Macrosphenus flavicans) [XC498521]
by Andres Angulo Rubiano from Mbam et Djerem National Park, WCS research station for Chimpanzee studies, main camp, Cameroon (song)
Yellow Longbill (Macrosphenus flavicans) [XC498538]
by Andres Angulo Rubiano from Mbam et Djerem National Park, WCS research station for Chimpanzee studies, main camp, Cameroon (song)
Subspecies
Along with Kemp's Longbill (Macrosphenus kempi) and Grey Longbill (Macrosphenus concolor) have in the past been considered to be babblers (Timaliidae). Forms a superspecies with Kemp's Longbill (Macrosphenus kempi) and often treated as conspecific, but, although the two have similar songs, they occur together where ranges overlap marginally (western Cameroon).
The following 2 subspecies are recognised:
flavicans Cassin, 1859 - Extreme south-eastern Nigeria, Bioko I (Fernando Póo), and south-western and southern Cameroon south to lower R Congo and north-western Angola (Cabinda, Cuanza Norte).
hypochondriacus (Reichenow, 1893) - South-eastern Central African Republic, south-western Sudan (Bengangai Forest), north, central and eastern DRCongo, western and southern Uganda and north-western Tanzania (Minziro Forest).