Andean Hillstar
NameAndean Hillstar
Common NameAndean Hillstar
Scientific NameOreotrochilus estella
FamilyTrochilidae
Wingspan (cm)15.5
Length (cm)14
Weight (g)8.6
Plumage DetailsMales have a striking iridescent emerald green gorget, bordered by a narrow black band, contrasting with a white breast and belly that features a prominent rufous-brown central stripe. Their upperparts are dull bronze-green, and the tail is dark and forked. Females are duller, lacking the iridescent gorget, with mostly whitish underparts and bronze-green upperparts.
Vocalization / CallVocalizations typically consist of high-pitched, sharp 'chip' notes or a series of rapid, squeaky calls, often given during flight or while foraging.
Primary Dietnectarivore
Primary Habitatsmountain, grassland
Conservation Statusleast-concern
Geographic RangeFound in the high Andes of southern Peru, Bolivia, northern Chile, and northwestern Argentina, typically at elevations between 3,500 and 5,000 meters.
Identifying FeaturesIridescent emerald green gorget (male), White underparts with rufous-brown central stripe (male), Dull bronze-green upperparts, Long, slender, slightly decurved black bill, High-altitude Andean habitat
Description
The Andean Hillstar is a medium-sized hummingbird native to the high-altitude Andes. Males are distinguished by a brilliant iridescent green gorget and a rufous-brown stripe on their white underparts. This species is adapted to cold mountain environments, often perching to conserve energy.
