The Chipping sparrow (Spizella passerina) is a species of New World sparrow widespread across most of its North American range. Chipping sparrows vary across their extensive North American range. There is minor geographic variation in appearance,...
The field sparrow (Spizella pusilla ) is a small New World sparrow in the family Passerellidae. It is about 140 mm (6 in) long and weighs about 12.5 g (0.4 oz). The head is grey with a rust-coloured crown, white eye-ring and pink bill. The upper...
The clay-colored sparrow or clay-coloured sparrow (Spizella pallida ) is a small New World sparrow of North America.Adults have light brown upperparts and pale underparts, with darker streaks on the back. They have a pale crown stripe on a dark...
Brewer's sparrow (Spizella breweri ) is a small, slim species of American sparrow in the family Passerellidae. This bird was named after the ornithologist Thomas Mayo Brewer.
The black-chinned sparrow (Spizella atrogularis ) is a small bird in the genus Spizella, in the New World sparrow family Passerellidae. It is found in the southwestern United States and throughout much of Mexico north of the Isthmus of Tehuantepec;...
Worthen's sparrow (Spizella wortheni ) is a species of American sparrow that is endemic to northeastern Mexico. It was first described by Robert Ridgway in 1884 and named for the American naturalist Charles K. Worthen. This small bird has been...
The timberline sparrow (Spizella breweri taverneri ) is a taxonomically controversial American sparrow. Usually treated as a subspecies of Brewer's sparrow, it is still considered a distinct species Spizella taverneri by many authorities. While the...
