Nest Site Selection in Mountain Bluebirds

Abstract
Nest site selection was analyzed for a mountain bluebird (S. currucoides) population using 2 different types of nest box in south-central Washington [USA]. The majority of adult females successful in fledging young during the previous year either returned to the same territory and nest box or selected the same type of nest box if they changed territories. If they were unsuccessful, adult females tended to change territories and box types. Most male and female bluebirds breeding for the 1st time selected the same type of box as housed their natal nest even though none of these birds returned to its natal territory. Nest site selection and breeding area fidelity were influenced by age, sex, previous breeding experience and natal nest type.

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