The Wedge-tailed Hillstar is notable for the male's glittering green throat and its visits to flowers in dry highlands. It lives in the Andes of Bolivia and adjacent Argentina.
The male has grey-brown upperparts, a glittering green throat, and chestnut underparts. The female has a white throat spotted grey and green and pale rufous underparts.
It uses high-altitude shrubland and gullies, feeding mainly on nectar and also taking insects. It visits flowers in dry highlands, including those of cacti and shrubs.
An extinction-risk assessment has not been added yet.