Protective plate for wren nesting box

Galvanized steel plate with a beige finish.

Opening diameter: 1"

To prevent squirrels or woodpeckers from enlarging the opening of a birdhouse designed for House Wrens.

Can also be installed on a birdhouse for Tree Swallows or chickadees, but only House Wrens will be able to enter.

Plate dimensions: 2 inches by 2 inches.

Can accommodate:

House Wren

Excluded species:

European Starling

Eastern or Western Bluebird

Tree Swallow

Carolina Wren

White-breasted Nuthatch

Red-breasted Nuthatch

Tufted Titmouse

House Sparrow

Prothonotary Warbler