Stripe-chested Antwren

The stripe-chested antwren (Myrmotherula longicauda) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Bolivia, Colombia, Ecuador, and Peru. == Taxonomy and systematics == The stripe-chested antwren has these four subspecies: M. l. soderstromi Gyldenstolpe, 1930 M. l. pseudoaustralis Gyldenstolpe, 1930 M. l. longicauda Berlepsch & Stolzmann, 1894 M. l. australis Chapman, 1923 Gyldenstolpe treated subspecies M. l. australis as a separate species but that treatment was not otherwise accepted. == Description == The stripe-chested antwren is 9 to 11 cm (3.5 to 4.3 in) long and weighs 8 to 9.5 g (0.28 to 0.34 oz). It is a smallish bird with a somewhat longer tail than other members of its genus. Adult males have a black and white streaked face and neck. Their crown, back, and rump are black with white or pale gray streaks. Their tail is black with white edges and tips to the feathers. Their wings are black with wide white edges on the coverts and narrower white edges on the flight feathers. Their throat, breast, and belly are white with light black streaks on the breast and flanks. Adult females have buff streaks (not white) on…