Sumichrast's Wren

Sumichrast's wren is 15 to 16.5 cm (5.9 to 6.5 in) long; a female weighed 28.4 g (1.00 oz). The adults have uniform deep brown crowns, napes, and backs; their rumps are a sooty brown. Their chin and throat are buff that deepens through the breast into the flanks and belly. The breast has faint dark bars and the belly has tiny white dots. The juvenile is similar, but its throat has a dirty look and faint dusky scales, its underparts are darker, and the breast and belly markings are fainter. Voice: The male Sumichrast's wren sings "a varied descending series of loud, rich whistles" . The female sings "a simple phrase consisting of a single repeated syllable". One of its calls is .