Birding the Drakensberg, South Africa
DECEMBER 23, 2021
Races gabonensis and inornatus intergrade in Nigeria; proposed races nigeriae (S Nigeria) and goodi (N Cameroon) not satisfactorily distinguishable from former and latter, respectively. This is how a scientist (on HBW) politely but clearly refutes these subspecies: “Vocal differences appear negligible.
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