“What should I do to keep house sparrows from tormenting wrens and bluebirds? Should I take the birdhouses down?” asks Ruth Armstrong of Niles, Michigan. Many people love to attract nesting bluebirds.

Researchers used discarded eggs from invasive house sparrows to test for heavy metal contaminants. A citizen-science project called "Sparrow Swap" engaged bluebird enthusiasts to collect over 2,000 ...

The house sparrow is a highly invasive pest in North Carolina, and bluebird enthusiasts frequently throw their eggs out and remove their nests to keep them from overtaking the nestboxes that bluebirds ...

Since I first started putting up bluebird nesting boxes back in 2016, I have had to think about a much less-beloved bird, the house sparrow, that also loves nesting in these boxes. House sparrows are ...

A simple length of fishing line could help give Bermuda’s bluebirds a better chance of holding off house sparrows that aggressively take over their nesting sites. Sparrows have threatened the native ...