Crissal Thrasher

The crissal thrasher (Toxostoma crissale) is a large thrasher found in the Southwestern United States (western Texas, southern New Mexico, southern Arizona, southeastern California, extreme southern Nevada, and extreme southwestern Utah) to central Mexico. == Description == The bird grows to 32 centimetres (13 in), and has a deeply curved bill. The eyes are dull yellow. Bird expert Roger Tory Peterson described its singing as sweeter and less spasmodic than other thrashers. It can be found near desert streams in dense underbrush, mesquite thickets, willows, scrub oak, high elevations in manzanita, and in the low desert near canyon chaparral. The bird seldom flies in the open. As such, the crissal thrasher rarely flies, preferring to walk or run around its territory and will mostly run for cover when disturbed by a potential predator. The bird's name is derived from the characteristic bright coloring, in contrast to the balance of its plumage, of the area between its tail and vent—a region known as the crissum. == History == In the early years of the study of the birds of western North America, this species was confused with the California thrasher (Toxostoma redivivum), to which it is closely related. Descriptions of T.…