Inca Wren

The Inca wren is 14.5 to 15.5 cm (5.7 to 6.1 in) long; males weigh 22.0 to 27.0 g (0.78 to 0.95 oz) and females 19.0 to 23.0 g (0.67 to 0.81 oz). The adult male has a dull black crown and nape, a broad white supercilium, and a black and white streaked face. Its shoulders, back, and rump are bright russet and the tail is russet with dusky bars. Its throat is white and the breast and belly are white with bold black streaks. Its flanks are dull yellowish brown. The adult female's crown is charcoal gray, its underparts' streaking is only on the breast, and the tail is less barred than the male's. Voice: Male and female Inca wrens sing duets, "a rich, varied, warbled series of whistled phrases" . One call is "a rich tchp or tchp-er, sometimes in chattered series".