Old World sparrow

Old World sparrow's area unit a bunch of little passerine birds forming the bird family. They're conjointly called true sparrows, a reputation conjointly used for a selected genus of the family, Passer. They are distinct from each the New World sparrows, within the family Passerellidae, and from many alternative birds sharing their name, like the ricebird of the family Estrildidae. Several species nest on buildings and also the house and Eurasian tree sparrows, especially, inhabit cities in giant numbers. They're primarily seed-eaters, although they conjointly consume little insects. Some species scavenge for food around cities and, like gulls or pigeons, can eat little quantities of a diversity of things.