METABOLUS

(Monarchidae; Ϯ Chuuk Monarch M. rugensis) Gr. μεταβολος metabolos  changeable  < μεταβολη metabolē  transition,change; "Metabolus, Bp., a pour type la prétendue Colluricincla rugensis, Pucheran, Voy. au Pôle sud, dont le plumage change en effet du roux et noir au blanc" (Bonaparte 1854). 

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from www.hbw.com on 19 January 2019).