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BiologyThe Iago sparrow is a sociable bird, found in small, loose colonies during the breeding season and in larger flocks at other times. Feeding usually occurs on the ground or in vegetation, with the sparrow typically running or hopping along the ground in search of food. The diet comprises grain, grass seeds, household scraps, and some insects, and the Iago sparrow may also do some damage to cereal crops by feeding on the shoots and buds. The young are fed mainly on insects (2). There is little other information available on the breeding behaviour of the Iago sparrow, though it is reported to share many of its habits with the better-known house sparrow (2).