Marcapata Spinetail

The Marcapata spinetail (Cranioleuca marcapatae) is a species of bird in the Furnariinae subfamily of the ovenbird family Furnariidae. It is endemic to Peru. == Taxonomy and systematics == The Marcapata spinetail was first described in 1935 from a specimen probably collected in 1905. It was treated as monotypic until 1984 when what is now the Vilcabamba spinetail (C. weskei) was described as a subspecies of it. BirdLife International's Handbook of the Birds of the World split the Vilcabamba spinetail as a separate species in 2016 and the International Ornithological Committee followed suit in 2023. However, the South American Classification Committee of the American Ornithological Society and the Clements taxonomy retain the two-subspecies treatment of the Marcapata spinetail. This article follows the monotypic species model. == Description == The Marcapata spinetail is 14.5 to 16 cm (5.7 to 6.3 in) long. The sexes have the same plumage. Adults have a grayish face. Their crown and a short crest are reddish chestnut with black on the sides. Their nape is grayish and their back, tail, and wings are rufous. Their throat is white and their breast and belly are grayish buff. Their iris is reddish brown, their maxilla grayish horn, their…