South Texas in the United States and eastern Mexico.
The Long-billed Thrasher is slender-bodied with a long tail. It measures about 10 - 11.5 inches or 26.5 - 29 cm in length.
The plumage is brown above with a brighter rufous tinge on the rump and tail. Below they are off-white with a black streak on each side of the throat, heavy dark streaks on the chest and abdomen - more intense on the sides of the chest. There are two pale wingbars.
The head is greyish. The fairly long bill is black and slightly down-curved. The eyes are orange to orange-yellow.