Nesting season has started for bluebirds, and house sparrows often find bluebird boxes a most desirable nursery. That’s a problem. House sparrows can drive bluebirds out of man-made or natural nest ...

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 ...

COBLESKILL, N.Y. -- Among the cheerful photos of perching bluebirds and gaping nestlings in Kevin Berner's collection is a ghastly image of invasion and slaughter. "A tree swallow I had banded the ...

Owners of bluebird boxes are being reminded to monitor them regularly as the nesting season is now in full flow. The boxes are frequently taken over by house sparrows, which are known to attack ...