What they eat:
Although sparrows come in all shapes and sizes, they all mainly feed on seeds of grass, weeds and grain crops. Their food composition is 75% plants 25% animal matter. During breeding season, they feed on insects.
Where they tend to live:
Sparrows are known to live in the chaparral, brushy river bottoms, brush piles, rubbish heaps and fence rows. In towns and suburbs, the commonly live in dense hedges and thick plantings.
Sparrows nest in shallow cups of woven grass, normally placed on the ground. Each bird normally lays between 2 to 6 whitish eggs.
Possible Health Concerns and Damage:
Most sparrows are involved in crop depredations of a variety of crops over a great area. Garden and flower seedlings and freshly sown lawn grass are often quickly consumed. Flocks of sparrows can destroy ever flower and vegetable planted in home gardens.
The more extensive damage occurs on commercial planting facilities. Lettuce, broccoli, sugar beets and other vegetables are often ravaged. Depredations is most noticeable in field crops adjacent to river bottom brushes or weedy fields.
Seedlings are normally consumed when crop seeds are germinating and starting to emerge from the soil. Damage ends when the seedlings reach a height of 3 to 4 inches.
Lockbird recommends the following deterrent strategy:
Thinning and pruning of the trees and bushes around your property: Most trees and bushes can withstand removal of up to one-third of their limbs and leaf surface without causing problems. This will either exclude or repel birds by make an area less attractive.
Pyrotechnics: The use of pyrotechnics will create loud noises which will scare away most birds. This makes for a great short term solution to your sparrow problem.
Lockbird's T-300 Laser Tower: Aimed at commercial agriculture, this laser tower will consistently swip a designated area with it laser beam, repelling any bird in the process.