A New Subspecies of Coppery Metaltail (Metallura theresiae) from Northern Peru A New Subspecies of Coppery Metaltail (Metallura theresiae) from Northern Peruv. 98No. 2American Ornithologists’ Union382Graves, Gary R. 1981. "A New Subspecies of Coppery Metaltail (Metallura theresiae) from Northern Peru." The Auk, 98, (2) 382.More...ID: 98229Type: articleKeywords: NMNH; NH-Vertebrate Zoology