Sometimes considered part of a species-group with A. badius, A. butleri, A. brevipes and A. francesiae. Recent phylogenetic analyses#R, however, found that present species and A. francesiae comprised one clade and A. badius and A. brevipes another clade (no molecular data were available for A. butleri). Monotypic
Russian Far East (S Ussuriland) and Korea; C & E China. Winters from extreme SE China, S through Borneo, Philippines and Sulawesi to N Moluccas and W Lesser Sundas (E to Flores), rarely W New Guinea and W Micronesia.
Food and feeding
Status and conservation
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