Individual bird silhouettes (blackbirds, sparrows and more) in different sizes and scales for indoor and outside. Made from steel. Available singly. Some available in two sizes. All our birds are designed to fix to fences, posts and walls unless otherwise indicated. Important note: we advise against hammering any metal design into a living tree. Use of nails or screws also puts a living tree at risk of disease and damage over time. Size: Wren = 64mm high Material: Unless otherwise specified all are mild steel and powder coated in Dark Grey for indoor and outdoor use.