Audubon Entities Bird Guardian Screw-on Birdhouse Protector

The Bird Guardian keeps birdhouses safe from harm and protects eggs.in the nest from racoons, crows, squirrels and opossoms and cats. it attaches easily to any 1 to 1.5 inch opening with the included screws.Tested by naturalists, the Bird Guardian has been found to be effective in preventing predators from preying on nesting birds.

Features:

~ Keeps your birds out of reach from opossums, raccoons, squirrels, and more
~ Wide flange covers entrance holes damaged by squirrels and woodpeckers
~ Attaches easily with the included mounting screws to any birdhouse
~ Protects, eggs, baby birds, and even adult birds in a birdhouse
~ Extends the entrance so that predators cannot reach inside
~ A patented, tested, and approved product
~ Made in the USA