Birds primarily use nesting boxes to raise their young in spring and summer, but a simple change can turn the abandoned shelter into a warm winter roost.

Now's the time to put up your birdhouses. Nesting time for most birds is primarily from mid-April to the end of July. (Serge A. McCabe/2002) CORVALLIS, Ore. - It would be nice to say, "Hang a ...

Clutch size and breeding success was related to nest-box size in 215 nests of Tengmalm's owl in the Kauhava region, western Finland in 1966-82. In vole peak years, but not in other years, mean clutch ...