African crimson-winged finch brown breast and flank markings on Asian birds are more extensive than on African birds; and African birds have less black on the crown than Asian birds (on males it often tends to be restricted to the forecrown). Male birds also differ compared to the Asian birds in that they lack the extensive pink in their uppertail-coverts, no black spots on their breast-sides; less distinct black markings on the mantle and ear-coverts and almost no red on the face. African crimson-winged finch The African crimson-winged finch ("Rhodopechys alienus"), is a pale-colored thickset finch with a heavy, dull yellowish bill. It
Thick-billed seed finch Thick-billed seed finch The thick-billed seed finch ("Oryzoborus funereus") is a species of bird in the family Thraupidae, but was until recently placed in Emberizidae. It is found widely in shrubby and grassy areas from southern Mexico, through Central America, to the Chocó in Colombia and Ecuador. It is replaced by the closely related chestnut-bellied seed finch in South America east of the Andes, as well as the valleys of Cauca and Magdalena in Colombia. The two have often been considered conspecific as the lesser seed-finch ("Oryzoborus angolensis"). The male is almost entirely black, with a small white wing patch.