F. Moore, 1855,
If not marginally sympatric with O. chloronotus (in which case no score needed) present species is parapatric (3) and differs in its grey vs green back (3); more restricted white chin (1); and (interestingly only) minor difference in voice (allow 1)#R, this last being reflected in sister relationship as determined by molecular study#R; supposed “intermediate” specimens have been shown to be juveniles or immatures of present species. Genetic analysis#R and voice disprove idea#R that it might be conspecific with O. castaneiceps (when O. chloronotus split). Two subspecies recognized.
Food and feeding
Status and conservation
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