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
Chestnut-bellied seed finch Chestnut-bellied seed finch The chestnut-bellied seed finch ("Oryzoborus angolensis") 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 in tropical and subtropical South America. Commonly known as "Curió" in most of the continent, specially in Brazil. In the Guyanas it is known as "Towa Towa". It has been replaced west of the Andes (and in Central America) by the closely related thick-billed seed finch ("O. funereus"), in which the male lacks the chestnut belly of the male chestnut-bellied seed-finch. The best singers are from