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Genus Leptasthenura
Plain-mantled Tit-Spinetail - It is 15 to 18 cm in length with the long, pointed tail feathers accounting for much of this. The bill is short and pointed and the wings are short and rounded. The plumage varies among the four subspecies. The nominate subspecies L. a. aegithaloides of central Chile is mainly brown with paler underparts, rufous markings on the wings and crown and a white stripe above the eye. The head and upper breast are streaked while the back is plain. L. a. berlepschi occurs high in the Andes in the northern part of the species' range and is larger and more buff-coloured than the other forms. L. a. grisescens is found in the arid lowlands of north Chile and south Peru. It is rather greyish in colour with little streaking on the breast. In most of Argentina and south Chile, L. a. pallida occurs. It is pale and greyish with only a small area of rufous in the wing.
Andean Tit-Spinetail - Its natural habitats are subtropical or tropical moist montane forests, subtropical or tropical high-altitude shrubland, and subtropical or tropical high-altitude grassland.
Brown-capped Tit-Spinetail - Its natural habitats are subtropical or tropical moist montane forests and subtropical or tropical high-altitude shrubland.
Rusty-crowned Tit-Spinetail - Its natural habitats are subtropical or tropical moist montanes and subtropical or tropical high-altitude shrubland.
Streaked Tit-Spinetail - Its natural habitats are subtropical or tropical moist montanes and subtropical or tropical high-altitude shrubland.
Striolated Tit-Spinetail - Its natural habitats are temperate forests and subtropical or tropical moist shrubland.
White-browed Tit-Spinetail - Its natural habitat is subtropical or tropical moist montanes. It is threatened by habitat loss.
Tawny Tit-Spinetail - Its natural habitats are subtropical or tropical moist montanes and subtropical or tropical high-altitude shrubland. It is threatened by habitat loss.