Increase your chances of attracting purple martins by deploying some of these life-sized, highly-detailed, purple martin decoys. Establishing a new colony is often difficult because purple martins are social or colonial nesters. Martins prefer the company of others and are reluctant to be the first to settle at a new site. Decoys are believed to increase the chances of attracting breeding Purple Martins by helping to create the illusion of genuine colony-site activity. This gives scouts the confidence to stay and nest. These decoys come with instructions and all hardware necessary for mounting. Compatible with a variety of housing, including gourds, traditional wood, and aluminum houses. Features: Purple Martin decoy helps attract Purple Martins to the housing site, Painted to resemble an adult Purple Martin, Mounts on the railings of Heath Aluminum Purple Martin Houses, Lightweight plastic, Mounting instructions and hardware included Brand: HEATH Manufacturer Part Number: 085199335003 Assembled Product Weight: 2 oz Manufacturer: Heath Model: Unbranded Assembled Product Dimensions (L x W x H): 11.00 x 6.00 x 3.00 Inches