a common North American sparrow (Zonotrichia albicollis) having a square white patch on the throat and black-and-white stripes on the head
See white-throated sparrow in American Heritage Dictionary 4
noun
A large North American sparrow (Zonotrichia albicollis) having a white patch on the throat, black and white stripes on the crown, and a distinctive song. Also called whitethroat.