Long-tailed finch length. It has a prominent roundish black bib on its throat and upper chest and a long pointed black tail. It has pinkish brown upperparts with paler plumage below its bib over the lower breast and abdomen. It has a grey head, a white ear-patch, and black lores. It has black patches on its upper flanks and its rump and undertail coverts are white. The beak colour of the adult long-tailed finch varies from red through orange to yellow. The subspecies with red beaks is sometimes called Heck's grass finch "Poephila acuticauda hecki", and the nominate subspecies with orange or
Desert finch several molecular studies. Two subfossil greenfinches, the slender-billed greenfinch, "Carduelis aurelioi", and the Trias greenfinch, "Carduelis triasi", are known from the Canary Islands. Desert finch The desert finch ("Rhodospiza obsoleta"), sometimes called Lichtenstein's desert finch, is a large brown true finch found in southern Eurasia. Its taxonomy is confused, and it has formerly been placed in "Fringilla", "Bucanetes", "Carduelis" and "Rhodopechys". It has an average wingspan of . It has a stout black bill, black and white remiges and rectrices, and a slash of rosy-pink on each wing. The female is more dull in color than the male, but other