These large bird boxes are approximately three times the size of a our small bird nest boxes and have been designed to provide nesting sites for a range of larger bird species which require a bigger bird nesting box. Depending on where you site it and the collection of species present you may find it occupied by jackdaws, doves or pigeons. It’s also the ideal size for tree nesting ducks such as goosanders and goldeneye. Even mallards have been known to have nested in boxes in trees.This versatile bird box which can house many of the larger garden birds comes with lift up lid for easy access for cleaning etc. and features a drained floor to ensure inhabitants stay warm and dry. These bird nesting boxes are constructed from precision cut external grade plywood and have been treated with an environmentally friendly preservative which is kind to the birds but helps to ensure a long lasting dry and comfortable bird nesting box.Features:A versatile large bird box designed to attract a range of species including jackdaws, tree nesting ducks, doves and pigeons.Constructed from precision cut panels treated with water based environmentally friendly preservative.Featuring large front aperture and hinged lid for easy access.Specifications:Material: Exterior Grade PlywoodConstruction: Panels stapled together with surface sunk staples.Finish: Non-toxic water based stain and preservativeFixing: 2 mounting holes at top of back panelDimensions and WeightDimensions: Overall height: 52cm, Overall width: 21cm, Overall Depth: 19cm3.0kg