Streak-headed Antbird

The streak-headed antbird (Drymophila striaticeps) 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 streak-headed antbird and two other antbird species were previously considered subspecies of what was then called the long-tailed antbird (D. caudata); the reduced D. caudata is now called the East Andean antbird. The streak-headed antbird's further taxonomy is unsettled. The International Ornithological Committee (IOC) and BirdLife International's Handbook of the Birds of the World (HBW) treat it as monotypic, with no subspecies. The Clements taxonomy splits it into four subspecies on the basis of a 2012 study. The study's authors do caution that further research is needed. Before the split of the long-tailed antbird, all four of them were treated as separate subspecies of it, but the IOC and HBW combined them into the monotypic streak-headed antbird. This article follows the no-subspecies model. == Description == The streak-headed antbird is 14.5 to 15.5 cm (5.7 to 6.1 in) long and weighs 11 to 13 g (0.39 to 0.46 oz). Adult males have a black crown and back with white streaks and a white patch between the…