Southern Emerald Toucanet (Aulacorhynchus albivitta subsp. atrogularis) Some elevate this distinct subspecies (Black-throated Toucanet) to species status with its black throat coupled with the massive amount of yellow on its upper mandible which its conspicuously channeled. South of Oxapampa, Oxapampa, Per. Disturbed Mesic tropical forest at ca. 1,180 m. (3,871 ft).