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The ‘House Sparrow’ is a bird of the sparrow family Passeridae. A small bird, it has a typical length of 16 cm and a weight of 24–39.5 g. Females and young birds are colored pale brown and grey, and males have brighter black, white, and brown markings.
The ‘House Sparrow’ is a very social bird. It is gregarious at all seasons when feeding, often forming flocks with other types of bird. It roosts communally, and its nests are usually grouped together in clumps, and it engages in social activities such as dust and water bathing, and "social singing", in which birds call together in bushes. The house sparrow feeds mostly on the ground, but it flocks in trees and bushes. At feeding stations and nests, female house sparrows are dominant despite their smaller size, and in reproductive period (usually spring or summer), being dominant, they can fight for males.