The male house sparrow has a conker brown back with black stripes, while underneath, the rump and crown are grey. The back of the neck is chestnut brown and they have a black area below the beak as well as a black eye stripe. The beak is a yellow-brown in winter, but black in the summer.
The female is paler and does not share the grey crown, white cheeks, black area below the beak and black eye stripe. She has a sand coloured stripe behind the eye.