Pseudasthenes humicola
The Dusky-tailed Canastero (Pseudasthenes humicola) is a small to medium-sized passerine, measuring approximately 14.5-16 cm in length and weighing 14-20 grams, characterized by its rather drab but distinctive appearance. Its upperparts are a plain greyish-brown, contrasting with a notably dusky or blackish tail, which is a key field mark. Underparts are a paler buffy-whitish, often with subtle streaking on the breast, and a faint pale supercilium above the eye offers a touch of facial detail...
Found primarily in arid and semi-arid shrublands, matorral, and thorny scrub, often near the coast or on lower montane slopes. It inhabits elevations from sea level up to approximately 2,000 meters.
Primarily insectivorous, feeding on a variety of small arthropods including beetles, ants, caterpillars, and spiders.
A diurnal and often secretive species, the Dusky-tailed Canastero typically forages by gleaning insects and other small invertebrates from low vegetation, often near the ground or within the dense cover of shrubs. Pairs maintain territories year-round, using distinct vocalizations to communicate ...
The Dusky-tailed Canastero is strictly endemic to central Chile, with its distribution stretching from the southern parts of the Atacama Region, specifically south of Copiapó, southwards through the Coquimbo, Valparaíso, Metropolitan, O'Higgins, Maule, Ñuble, Biobío, and Araucanía regions. Its ra...
Least Concern
- The genus name 'Pseudasthenes' translates to 'false Asthenes,' highlighting its close but genetically distinct relationship to other canasteros. - Its common name 'Canastero' comes from the Spanish word for 'basket weaver,' a nod to the intricate, often oven-shaped nests built by many species i...