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
Española cactus finch study. Other taxonomic authorities have kept the large cactus finch and the Genovesa cactus finch conspecific. The Española cactus finch is among the largest of the Darwin's finches, measuring in length. The male is black, with white-tipped undertail coverts. Female and immature birds range in color from dull gray to matte black, and frequently show white edges to the feathers of their underparts. Española cactus finch The Española cactus finch ("Geospiza conirostris"), is a species of bird in the tanager family Thraupidae. It is one of Darwin's finches, and is endemic to the Galápagos islands, where it is restricted to