The White-winged Diuca-Finch is a peculiar passerine of the high Andes in Peru, Bolivia, Argentina, and Chile. Although its primary habitat is puna grasslands, it has a high affinity for water and can be found near bogs dominated by cushion plants. Remarkable recent evidence suggests that the White-winged Diuca-Finch is the only bird in the world that routinely construct its nest directly on ice. Along with this unique acomplishment, White-winged Diuca Finches also roost in ice caves and may be one of the highest nesting passerines in the Western Hemisphere at 5300m. This strongly terrestrial species is mostly gray with a white throat, white arc under the eyes, and dark gray wings with white outer primarys.