Mike M Posted May 3, 2021 Share Posted May 3, 2021 So, we have a couple of chickadees who have moved into one of our birdhouses. Problem is, there are some sparrows who are also very interested in this house. I’d like to install a copper portal/hole protector to keep the sparrows out, but wasn’t sure if that was ok, with the chickadees already living in there? Would it disturb them too much or scare them off for good if I took five minutes & popped that cover on with my cordless drill? Quote Link to comment Share on other sites More sharing options...
lonestranger Posted May 4, 2021 Share Posted May 4, 2021 Welcome to Whatbird @Mike M. I'm afraid I can't really offer an educated/experienced opinion but my thoughts lean towards not disturbing any active nest. The chance of a negative outcome is a chance I wouldn't gamble with. Just my 2 cents worth. Others with actual nestbox experience may have suggestions/opinions to offer. 1 Quote Link to comment Share on other sites More sharing options...
Chaseman Posted May 4, 2021 Share Posted May 4, 2021 It won't bother them at all, as long as you do it when the adults aren't in the nest. I've done it several times for both Chickadees and Brown headed Nuthatches. I assume you are only going to change the entrance to 1 1/4"? That's what I've done, and it should keep the bigger birds out. 2 Quote Link to comment Share on other sites More sharing options...
Mike M Posted May 4, 2021 Author Share Posted May 4, 2021 Thanks, the cover I have is actually 1-1/8.” I guess my biggest problem now is knowing when no one’s at home! Quote Link to comment Share on other sites More sharing options...
Dennis Posted April 3, 2022 Share Posted April 3, 2022 how about checking the nest to see on how many eggs, etc.... does any one do this? Quote Link to comment Share on other sites More sharing options...
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