White-chinned Thistletail
CC BY 4.0
CC BY 4.0 — Source: iNaturalist photo #469392632The white-chinned thistletail, or colicardo barbiblanco in Ecuador, (Asthenes fuliginosa) is a species of bird in the Furnariinae subfamily of the ovenbird family Furnariidae. It is found in Colombia, Ecuador, Peru, and Venezuela. == Taxonomy and systematics == The white-chinned thistletail has four subspecies: A. f. fuliginosa (Lafresnaye, 1843) A. f. fumigata (Borrero, 1960) A. f. peruviana (Cory, 1916) A. f. plengei (O'Neill & Parker, 1976) What are now several other individual species of thistletail were previously also treated as subspecies of the white-chinned thistletail. All of them were in genus Schizoeaca but genetic data showed that the genus is embedded within Asthenes. In addition, the mouse-colored thistletail (A. griseomurina) possibly should be treated as a fifth subspecies of the white-chinned. == Description == The white-chinned thistletail is 18 to 20 cm (7.1 to 7.9 in) long and weighs 14 to 20 g (0.49 to 0.71 oz). It is the largest thistletail. The sexes have the same plumage. Adults of the nominate subspecies A. f. fuliginosa have a faint grayish-tawny supercilium and a whitish eyering on an otherwise blackish to dark brown face. Their crown, back, rump, and tail are dark reddish brown. Their wings are a brighter reddish brown.…
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