Sepia-brown Wren

The sepia-brown wren or Sharpe's wren (Cinnycerthia olivascens) is a species of bird in the family Troglodytidae. It is found in Colombia, Ecuador, and Peru. == Taxonomy and systematics == The sepia-brown wren was formerly considered a subspecies of Cinnycerthia peruana, which at that time was called the sepia-brown wren and is now called the Peruvian wren. Sepia-brown wren, Peruvian wren, and fulvous wren (C. fulva) form a superspecies. Usually "daughter" species resulting from splits do not retain the "parent's" English name. That is why the South American Classification Committee of the American Ornithological Society (SACC/AOS) and the Clements taxonomy call C. olivascens Sharpe's wren. That common name commemorates the British zoologist Richard Bowdler Sharpe. The sepia-brown wren has two subspecies, the nominate Cinnicerthia olivascens olivascens and C. o. bogotensis. == Description == The sepia-brown wren is 16 cm (6.3 in) long; males weigh an average of 25.9 g (0.91 oz) and females weigh an average of 23 g (0.81 oz). Both subspecies are shades of brown. The nominate adult has a grayish brown crown, reddish brown back and rump, and a chesnut tail with blackish bars. It has a variable amount of white on its face. Its chin and…