Sometimes considered conspecific with C. atrocapillus or C. noctivagus, and there is much uncertainty and debate over taxonomic status of several related taxa within this group#R. Races columbianus, saltuarius and idoneus have all been considered full species, or alternatively races of other species (e.g. C. noctivagus, C. cinnamomeus, C. boucardi); cursitans and spencei have also been ascribed to other species; columbianus, idoneus and cursitans may group together, whereas saltuarius might belong with C. kerriae#R; detailed revision of the group required. Seven subspecies currently recognized.
Food and feeding
Status and conservation
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