|Kingdom: Animalia Phylum: Chordata Class: Aves (Birds) Order: Passeriformes Family: Passeridae|
Identification: Small, seed-eating passerine bird with thick, conical bill and pink legs. Adult male: Gray crown, black throat, upper breast, and small mask; less black on throat in winter. Grayish side of neck and underparts. Rusty-brown nape and upperparts. Black streaks on back. White patch in wing. Gray rump. Black bill in summer; yellowish in winter. Female and immature: Gray-brown crown. Buffy line extends rearward from eye bordered below by gray-brown line. Grayish-white underparts. Black and tawny streaks on back. Black wing feathers with wide tawny edges. White patch on wing. Yellow bill. Immature males lack full throat patch of adults.
Similar species: The adult male House Sparrow might be confused with Eurasian Tree Sparrow. The Eurasian Tree Sparrow has a black spot on the ear coverts and an entirely brown crown. The female House Sparrow looks somewhat similar to a number of species of sparrows but has unstreaked underparts, tawny streaks on the back, and a large yellowish bill.