Protective plate for Eastern Bluebird or Tree Swallow nest box

Galvanized steel plate with beige finish.

Opening diameter: 1.5"

To prevent squirrels or woodpeckers from enlarging the entrance hole of a Tree Swallow, Eastern Bluebird, or Western Bluebird nest box.

Can also be placed on a Tree Swallow nest box.

Plate dimensions: 2 inches by 2 inches.

Can accommodate:

Eastern Bluebird or Western Bluebird

Tree Swallow

Carolina Wren

White-breasted Nuthatch

Red-breasted Nuthatch

Tufted Titmouse

House Sparrow

Black-capped Chickadee

Prothonotary Warbler

House Wren

Excluded species:

European Starling

Great Crested Flycatcher