(Fringillidae; Ϯ Purple Finch H. purpureus) Gr. αἱμα haima, αἱματος haimatos  blood; ορρος orrhos  rump (cf. αἱμορρους haimorrhous  flowing with blood; specific name Fringilla haemorrhoa Lichtenstein, 1820 (= syn. Haemorhous mexicanus)); "HÆMORHOUS, Sw.  Bill rather more lengthened than in Pyrrhula: the commissure sinuated. Wings lengthened, pointed. Tail forked. Feet short, robust. Middle toe much longer than the tarsus; inner toe rather shorter than the outer. Claws short, and fully curved; the hinder shorter than its toe.  America.  H. pupureus. Wils. i. 7. f. 4.  frontalis. Bon. Am. Or. i." (Swainson 1837).   
Var. Haemorrhous.   
Synon. Burrica, Erythrospiza.

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 23 January 2019).