Asthenes harterti
The Black-throated Thistletail, *Asthenes harterti*, is a small, enigmatic passerine bird endemic to the high Andes of Bolivia, belonging to the diverse ovenbird family (Furnariidae). Measuring approximately 16-18 cm (6.3-7.1 inches) in length, this species is characterized by its dull olive-brown upperparts, rufous flanks, and a grayish breast, but its most distinctive field mark is the prominent black patch on its throat. Its genus name, *Asthenes*, surprisingly translates to 'insignificant...
Resident in high-altitude montane scrub, puna grasslands, and dense thorny shrublands, typically found between 2,700 and 4,300 meters (8,860-14,100 feet) in elevation.
Primarily insectivorous, feeding on a variety of small insects and other invertebrates gleaned from vegetation.
Black-throated Thistletails are diurnal and generally observed singly or in pairs, actively foraging through the dense undergrowth of their high-altitude habitat. They employ a meticulous gleaning foraging strategy, moving methodically through thickets to pick insects and small invertebrates from...
The Black-throated Thistletail is a non-migratory resident, endemic to the central and southern Andes of Bolivia. Its distribution spans across the departments of Cochabamba, PotosÃ, Chuquisaca, and Tarija. This species exclusively inhabits high-altitude regions, typically found between 2,700 and...
Least Concern
- The genus name *Asthenes* comes from the Greek word for 'insignificant' or 'feeble', a rather humble descriptor for a bird that thrives in the harsh Andean environment. - Its common name 'thistletail' refers to its stiff, spiny tail feathers, an adaptation seen in many ovenbirds. - This species...