Red pileated finch a white eye ring. The male has a red crest and a black crown, just as the grey pileated finch does, however its upper parts are dark wine red, with a reddish rump, and the underparts are a drab reddish colour. The red crest and black head are absent in the female and the upper parts are a little more brown than those of the male. The throat of the female is white and the underparts pink. This bird has a wide distribution in South America. Its range includes southern Brazil and northern Argentina, extending from Brasília and Rio de
Small ground finch Latin for "sooty". It is known to hybridize (rarely) with the medium ground finch. This is the smallest of the ground finches, measuring in length . Its beak is short and pointed, with a slightly curved culmen. On average, its beak is smaller than that of the medium ground finch, though there is a significant overlap in size between the two, particularly on islands where only one of the two species exists. On islands where the two species compete directly, the differences between their beaks are greater. The male is black with white-tipped undertail coverts, while the female and young