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Thread: Looking for info on protecting bluebird nesting box
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Old 05-12-2024, 08:57 PM
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Quote:
Originally Posted by Happydaz View Post
Unfortunately people got starlings and house sparrows from Europe and let them go in the 1800’s in New York and San Francisco. They multiplied rapidly at the expense of our native birds like bluebirds. The effect between 1920 to 1950 was a 90% reduction in the population of bluebirds. Due to thousands of people putting up bluebird boxes the bluebird numbers came back up. The attention to providing bluebird boxes has been critical to their survival due to house finches and other competitors.

Starlings are also reaching havoc on red headed woodpeckers taking over their cavities. Luckily in may area no house sparrows or starlings.