Portal Protectors
Portal Protectors - 1-1/8" Portal Protector is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability
Protect your nesting birds from squirrels - add a metal portal protector!
Squirrels can’t chew through metal and now your nesting birds are safe. Add this circular portal protector to the entry hole of your own birdhouse. Watch your birds enter easily, while squirrels can’t enlarge the entry hole or gain access. Made from zinc-coated steel with brass hardware. Choose from four different sizes: 1-1/2 inch for Eastern Bluebirds, 1-1/4 inch for chickadees, titmouse and nuthatches, 1-1/8 inch for wrens or 1-9/16 inch for Mountain or Western Bluebirds.
- Metal portal protector, choose from 4 sizes
- Protect your baby birds until they fledge
- Chew-proof steel squirrels can’t get past
- Easy to install with the included hardware
Portal Protectors
The Duncraft Guarantee – Trusted Since 1952
We want you to love your purchase. That’s why each Duncraft product comes with our 365-Day Guarantee. If it’s not the right fit for you or your birds, you can return it for an exchange or refund. We’re here to help you enjoy your birds, every step of the way.
❤️ Why Bird Lovers Trust Duncraft
The Leader in Backyard Bird Feeding Since 1952
Truly an American original, Duncraft has stayed true to its mission since the 1950s: to make backyard bird feeding easier, more enjoyable, and more rewarding.
We design and build over 500 exclusive products you won’t find anywhere else—each one made for birds, field-tested for success, and built to last. Backed by exceptional service and dependable home delivery, Duncraft is the trusted choice for bird lovers everywhere.
Let's get started:
Need help finding the right bird feeding solution?
Our friendly birding experts in Concord, NH are just a call or email away. Reach out Monday–Friday, 9 AM to 5 PM EST at 800-763-7878 or info@duncraft.com—we’re happy to help!
What makes Duncraft bird seed so popular?
We’ve been perfecting our bird seed blends since 1952—using only premium ingredients birds actually eat. Our small-batch, fresh-packed seed attracts more birds and supports healthier feeding with less waste. It’s the food your backyard birds come back for.
What if I’m new to bird feeding and not sure what to expect?
No problem at all—we’re here to help! Every Duncraft product is designed to make bird feeding easy and enjoyable, whether you’re just starting out or have years of experience. And if your feeder doesn’t work out, you’re covered by our 365-Day Guarantee. We’ll help you exchange it or find the right fit for your birds.
Where are Duncraft Brand products made?
Right here in the USA! Duncraft has been family-owned and operated since 1952, with over 500 exclusive products designed and built in Concord, NH. Our team combines hands-on experience with expert care to bring you the best in backyard bird feeding.
Portal Protectors
Protect your nesting birds from squirrels - add a metal portal protector!
Squirrels can’t chew through metal and now your nesting birds are safe. Add this circular portal protector to the entry hole of your own birdhouse. Watch your birds enter easily, while squirrels can’t enlarge the entry hole or gain access. Made from zinc-coated steel with brass hardware. Choose from four different sizes: 1-1/2 inch for Eastern Bluebirds, 1-1/4 inch for chickadees, titmouse and nuthatches, 1-1/8 inch for wrens or 1-9/16 inch for Mountain or Western Bluebirds.
- Metal portal protector, choose from 4 sizes
- Protect your baby birds until they fledge
- Chew-proof steel squirrels can’t get past
- Easy to install with the included hardware
Type