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 ...

Contrary to expectations, the size of the Blue Tits' nests is unrelated to their breeding success. The researchers behind a forthcoming study in The Auk: Ornithological Advances spent 18 years making ...

Do you enjoy watching wild birds in your yard? Most Arkansans do, and now is a perfect time to enhance those opportunities by building and installing nest boxes around your property. Many birds in The ...