Hitherto treated as conspecific with S. xanthogaster but differs in characters given under that species; S. pyrrholaemus has also been lumped with present species but again differs in characters given under that species. Race gabonensis differs from nominate in its dark grey vs olive-brown crown to tail (2); and looser song phrases (2), with slightly longer notes (1)#R. Races dahomeyensis and inexpectatus, described very recently as phylogenetic species, have not been scored but morphological differences are obviously rather minor, although at least one of them might differ vocally from nominate race#R; genetic data clearly place both subspecies within same clade as nominate race and gabonensis, while simultaneously suggesting incomplete lineage sorting W of Nigeria. Further study of differences, and of (what happens) where the taxa meet, needed. Four subspecies recognized.
Food and feeding
Status and conservation
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