General description Sparrows like to nest in colonies, making this Sparrow Colony Terrace Wooden Nesting Box the perfect home for them. It features a charming natural woodland roof and is constructed from robust timbers, providing a safe and inviting environment for these birds. Technical specifications Dimensions: 46cm x 22cm x 22cm Entrance hole diameter: 3cm (30mm) Other information The box features a hinged roof for easy access and cleaning, which can be locked shut with the two screws included. Helps protect sparrows from predators and weather. Great for enticing new birds to roost and creates a social nesting environment. Made from natural wood.