Río Surutú, Bolivia.
Sometimes considered conspecific with C. cinereiventris, and close to C. martinica; these three previously placed in genus Acanthylis along with C. spinicaudus, to which present species may be most closey related#R. Proposed race pachiteae (from Ucayali region of E Peru) is indistinguishable from egregia#R. Monotypic.
E Ecuador S through E Peru, W Brazil and NW Bolivia.
Food and feeding
Status and conservation
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