General description Starlings have declined as a breeding bird in the UK by as much as 50% in the last 25 years, leading to their inclusion on the Birds of Conservation Concern Red List. This Starling Nest Box provides a comfortable, safe, and dry nesting site for starlings, especially when natural sites are scarce. It is designed to be placed 2.5m or higher above the ground, and multiple boxes can be installed in a group to encourage a loose colony of starlings. Technical specifications Material: Exterior Grade Plywood Construction: Panels stapled together with surface sunk staples Finish: Non-toxic water-based stain and preservative Dimensions: Overall height: 51 cm, Overall width: 16 cm, Overall depth: 18 cm Weight: 2.0 kg Entrance hole size: 45 mm Installation Easy to mount on buildings or trees Two mounting holes at the top of the back panel Usage Provides a dry, comfortable nest site for starlings Can also accommodate Great Spotted Woodpeckers, who may need to excavate material