1 9/16 IN Round Metal Portal Protector

A durable metal entrance guard designed to protect bluebird houses from unwanted enlargement and intrusion.

The 1 9/16 IN Round Metal Portal Protector is crafted to maintain the correct entrance size for Western Bluebirds, ensuring they can safely access their nesting box while preventing larger or more aggressive birds from enlarging the opening.

Made from sturdy metal, this portal protector reinforces the entrance hole on wooden birdhouses, extending the life of the box and helping protect nesting birds. It's an essential accessory for anyone managing bluebird trails or maintaining backyard nest boxes.

Key Features

• 1 9/16 IN opening — ideal for Western Bluebirds
• Prevents unwanted enlargement of birdhouse entrances
• Protects against damage from squirrels and larger birds
• Durable metal construction
• Easy to install on most wooden nest boxes
• Helps maintain proper species‑specific entrance size

Dimensions

• Product Size: 0.2 IN x 2.5 IN x 2.5 IN

Why You'll Love It

• Ensures bluebirds retain safe access to their nesting box
• Extends the life of wooden birdhouses
• Helps maintain species‑appropriate nesting conditions
• A simple, effective upgrade for any bluebird house