) Scopoli, 1786,
Guangzhou, Guangdong, China.
Until recently considered conspecific with G. monachus (see that species). Has been considered conspecific with G. nuchalis. Form “lugens” (from Indochina) is a dark morph of nominate race. Four subspecies recognized.
Race unknown in S part of E Thailand.
Food and feeding
Status and conservation
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