Window Alert 4 Butterfly Decals Protect Wild Birds best nest builder bird This side door also provides

This side door also provides easy access to mount a wildlife camera in the box

with a 1 1/4" diameter that tapers to the "universal" 1 inch diameter top

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

A couple sunflowers dot the bottom left corner of the picture

Window Alert 4 Butterfly Decals Protect Wild Birds best nest builder bird This side door also providesWindow 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.