The Trochilidae has many beautiful species of hummingbirds. The Wedge-tailed hillstar (Oreotrochilus adela) is one of them. It is mostly found in South American countries from the Andes of Bolivia to the north-western border of Argentina. This is rare and unique among the hillstars.
A rather small, long-billed, colorful hillstar, the male of this species has the typical shining green throat of the genus, and a rich rufous belly with a central black stripe and flanks are deep chestnuts. The female’s throat is white with dark spots, and her underside is lighter orange with no black stripe.
The species visits a wide range of flowers for nectar and hawks for small flying insects. Hence, their preferred feeding is on flowers of Barnadesia, Loranthaceae, Mutisia, Puya, mistletoes, and columnar cacti.
It constructs a substantial and well-lined cup nest that is fixed to a vertical rocky surface. It occurs in heavily populated areas where livestock grazing, planting of non-native species, and deliberate burning damage the native vegetation.
This is sexually dimorphic and found on the mountainsides in southern Bolivia and the north-western border regions of Argentina.
Like other hillstars it shows a range of adaptations to life at high altitudes, including torpor when roosting. They are mainly found in scrubland and light woodland; at an altitude of 8,550–13,100 ft (2,600–4,000 m. This magnificent and distinctive hummingbird is often seen in gullies, desert habitats, Altiplano, and scattered xerophytic cacti and shrubs.
Related Reading: Violet-capped hummingbird (Goldmania violiceps)