Influence of snow cover on food hoarding in Pygmy Owls Glaucidium passerinum

Halonen, M., Department of Biological and Environmental Science, P.O. Box 35, FI-40014 University of Jyvaskyla, FinlandMappes,T.,DepartmentofBiologicalandEnvironmentalScience,P.O.Box35,FI-40014University of Jyvaskyla, FinlandMeri, T., Department of Biological and Environmental Science, P.O. Box 35, FI-40014University of Jyvaskyla, FinlandSuhonen, J., Department of Biological and Environmental Science, P.O. Box 35, FI-40014 University of Jyvaskyla, Finland. Current address: Section of Ecology, Depart-ment of Biology, University of Turku, FI-20014 Turku, Finland. juksuh@utu.fi (*Corre-sponding author)Received 15 May 2006, revised 1 February 2007, accepted 18 March 2007