Last week, I wrote about keeping our backyard birdhouses free from debris, parasites and dirty materials. This week, I’d like to discuss how to keep them free from another problem: invasive bird species.
It’s difficult to think of cute, little birds as a danger, but many do pose a definite threat to some of our Texas native bird species. The house sparrow is among the worst since it is the most widespread and a truly invasive species here, threatening the native species’ balance in this ecosystem.
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