House Sparrows are fierce competitors for nest holes in trees and nest boxes. Partners in Flight estimates a global breeding population of 740 million and rates them 9 out of 20 on the Continental Concern Scale, indicating a species of low conservation concern. House Sparrow populations have declined by about 3% per year resulting in a cumulative decline of nearly 80% between 19, according to the North American Breeding Bird Survey. In flocks, males tend to dominate over females in fall and winter, but females assert themselves in spring and summer. Sometimes, other males who spot such a display in progress will fly in and begin displaying as well. When males display to a prospective mate, they fluff up their chest, hold their wings partially open, fan the tail, and hop stiffly in front of the female, turning sideways and sometimes bowing up and down. Males with larger amounts of black on the throat tend to dominate over males with less black. This can intensify to a display with wings lifted, crown and throat feathers standing on end, tail fanned, and beak open. Aggravated birds crouch with the body horizontal, shove their head forward and partially spread and roll forward their wings, and hold the tail erect. From living in such close company, House Sparrows have developed many ways of indicating dominance and submission. House Sparrows are a common sight at bird feeders you may also see them bathing in street-side puddles or dustbathing on open ground, ruffling their feathers and flicking water or dust over themselves with similar motions. They are social, feeding in crowded flocks and squabbling over crumbs or seeds on the ground.

House Sparrows hop rather than walk on the ground. Light white to greenish white or bluish white, usually spotted with gray or brown.Įntirely naked upon hatching with bright pink skin, eyes closed, clumsy. House Sparrows sometimes build nests next to each other, and these neighboring nests can share walls.

The birds then use finer material, including feathers, string, and paper, for the lining. House Sparrow nests are made of coarse dried vegetation, often stuffed into the hole until it’s nearly filled. House Sparrows nest in holes in trees somewhat less often. House Sparrows are strong competitors for nest boxes, too, at times displacing the species the nest box was intended for, such as bluebirds and Tree Swallows. They sometimes build nests in vines climbing the walls of buildings. House Sparrows nest in holes of buildings and other structures such as streetlights, gas-station roofs, signs, and the overhanging fixtures that hold traffic lights. They catch insects in the air, by pouncing on them, or by following lawnmowers or visiting lights at dusk. In summer, House Sparrows eat insects and feed them to their young. Urban birds readily eat commercial bird seed. House Sparrows readily eat birdseed including millet, milo, and sunflower seeds.

Wild foods include ragweed, crabgrass and other grasses, and buckwheat. Among the crops they eat are corn, oats, wheat, and sorghum. House Sparrows eat mostly grains and seeds, as well as livestock feed and, in cities, discarded food. In extreme environments such as deserts or the far north, House Sparrows survive only in the immediate vicinity of people. You won’t find them in extensive woodlands, forests, or grasslands. Look for them in cities, towns, suburbs, and farms (particularly around livestock). House Sparrows are closely associated with people and their buildings.

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