Bar-crested Antshrike

The bar-crested antshrike (Thamnophilus multistriatus) is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Colombia and Venezuela. == Taxonomy and systematics == Some researchers suspected that the bar-crested antshrike should be treated as a subspecies of the chestnut-backed antshrike (T. palliatus). This treatment was never accepted, and a study published in 2007 confirmed that the bar-crested antshrike is a full species. The bar-crested antshrike has these four subspecies: T. m. brachyurus Todd, 1927 T. m. selvae Meyer de Schauensee, 1950 T. m. multistriatus Lafresnaye, 1844 T. m. oecotonophilus Borrero & Hernández-Camacho, 1958 == Description == The bar-crested antshrike is 15 to 16.5 cm (5.9 to 6.5 in) long and weighs 21 to 23 g (0.74 to 0.81 oz). Members of genus Thamnophilus are largish members of the antbird family; all have stout bills with a hook like those of true shrikes. This species exhibits marked sexual dimorphism though both sexes have a crest. Adult males of the nominate subspecies T. m. multistriatus are almost entirely plumaged with alternating black and white bars, including their crest. The exception is their face and throat, which are streaked black and white. Adult females have…