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copper plate with screws for bird house
copper portals for bird houses and nest boxes
copper plate with screws for nest box
copper portal shown on bluebird nest box

Copper Portals

Regular price $2.75 $0.00
Help maintain entry holes on your birdhouses. Copper portals prevent predators from chewing or pecking around entry holes to enlarge them. Portals can also be used to repair a chewed entry hole (so long as there's enough wood left to attach the plate), or reduce the size of an existing entry hole.
  • Four screws are included
  • 2" square plate 
  • Available in 5 different entry hole sizes:
    • 1" for House Wrens
    • 1-1/8" for Chickadees
    • 1-1/4" for Nuthatches, Tufted Titmice
    • 1-1/2" for Eastern Bluebirds, Carolina Wrens, Tree Swallows
    • 1-9/16" for Western & Mountain Bluebirds

We also carry Cedar Predator Guards with Copper Portals in 1-1/2" entry size for Eastern Bluebirds, and 1-9/16" for Western & Mountain Bluebirds.


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