Individual bird silhouettes (blackbirds, sparrows and more) in different sizes and scales for indoor and outside. Made from steel. Some available in more than one size - see each bird for more information. Size: Blackbird Large = 186mm high 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. Material: Unless otherwise specified all are zinc-coated mild steel, powder coated in Dark Grey for indoor and outdoor use.