Window Alert 4 Butterfly Decals Protect Wild Birds best nest builder bird Open roost design makes it

Open roost design makes it easy to clean out from year to year

a plug is included to stop water from entering the pole from the open top mount

our product is made completely of recycled poly lumber and stainless steel fasteners

Birds That Would Use This Nesting Box: Barred Owl

Window Alert 4 Butterfly Decals Protect Wild Birds best nest builder bird Open roost design makes itWindow Alert 4 Butterfly Decals Protect Wild Birds Window Alert is a static cling or low tack decal that may be applied to home and office windows. The decals contain a component which brilliantly reflects ultraviolet sunlight. This ultraviolet light is invisible to humans, but glows like a stoplight for birds. Birds have vision that is up to 12 times better than that of humans. WindowAlert decals help birds see windows and avoid striking the glass.