Wedge-tailed hillstar
The wedge-tailed hillstar is a species of hummingbird in the family Trochilidae. This sexually dimorphic species is found in scrub and woodland at altitudes of in the Andes of Bolivia and far north-western border region of Argentina. It is threatened by habitat loss. Uniquely among the hillstars, the flanks of the male are deep chestnut, while the underparts of the female are orange-buff.