Moustached Wren

The moustached wren (Pheugopedius genibarbis) is a species of bird in the family Troglodytidae. It is found in Bolivia, Brazil, and Peru. == Taxonomy and systematics == The moustached wren was at one time treated as conspecific with the whiskered wren (Pheugopedius mystaclais). It has four subspecies: P. g. juruanus Ihering (1905) P. g. genibarbis Swainson (1837) P. g. intercedens Hellmayr (1908) P. g. bolivianus Todd (1913) == Description == The moustached wren is 15.5 cm (6.1 in) long and weighs 16.2 to 22.8 g (0.57 to 0.80 oz). The nominate adult has an olivaceous gray-brown crown and nape, bright chestnut back and rump, and a dull brown tail with narrow blackish bars. It has a white supercilium and eyering, a black stripe through the eye, gray-black cheeks streaked with white, a white moustachial stripe, and a black malar stripe. Its throat and upper chest are white, its lower chest buffy, and its flanks and belly deeper brown. Compared to the adult, the juvenile's crown is browner, its back duller and less deeply chestnut, and it has less well defined facial markings and more diffuse bars on the tail. P. g. juruanus is larger than the nominate and its underparts…