1. Winter starvation in captive common barn owls—physiological states and reversible limits;Handrich;Auk,1993
2. Diets of North American Falconiformes;Sherrod;J Raptor Res,1978
3. Natural histories of individual species;Johnsgard,1990
4. Natural histories of North American owls;Johnsgard,1988
5. Seasonal and geographic differences in the diet of the barn owl in an agro-ecosystem in northern Italy;Bose;J Raptor Res,2001