|female at Lake Titicaca, Peru|
D'Orbigny & Lafresnaye, 1838
The Andean hillstar (Oreotrochilus estella) is a species of hummingbird in the Trochilidae family. It is found in grassland, scrub and woodland in the Altiplano of southern Peru, Bolivia, northern Chile, and north-western Argentina. It often includes the green-headed hillstar as a subspecies, but the male of that species has a black (not brown) stripe to the central underparts, and its upperparts are greener.
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