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 ...

Eastern bluebirds (Sialia sialis), often referred to as “harbingers of spring,” are small — about 7 inches — cavity nesters often found near meadows. A relative of the robin, this native songbird ...

Feeders, water and birdhouses are three good ways to bring birds to your yard. The latter offers pleasures the former do not. Birds that nest in houses or boxes are obligate cavity nesters: obligated ...

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 ...

Read this before you start building a nest box for your local birds. Seeing a plywood nest box tucked amongst the branches of a tree or hoisted around its trunk is a familiar sight to many Australians ...