Tiny gray insectivore of scrubby areas in the southwest U.S. and northern Mexico. Males show black cap with thin white eyering and mostly black tail with white spots on underside. Females lack the black cap of males. Prefers dry habitats. Almost always seen low in bushes. Often in pairs. Most similar to Blue-gray Gnatcatcher, but note more black on tail and drabber brownish-gray coloration. Listen for its harsh scolding calls.