(Thraupidae; Ϯ Chestnut-breasted Mountainfinch P. caesar) Genus Poospiza Cabanis, 1847, warblingfinch; Gr. οψις opsis  appearance; "Its [Compsospiza] nearest ally is apparently Poospiza cæsar, Scl. & Salv., from Southern Peru, which in my opinion ought also to be separated generically from Poospiza*.  ... *POOSPIZOPSIS, mihi, gen. nov., generi Poospizæ affinis, sed differt rostro pedibusque multo fortioribus et alis caudaque longioribus.  Typ. Poospiza cæsar, Scl. & Salv." (von Berlepsch 1893).

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 16 January 2019).