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♦ 1DIETS OF NORTHERN PYGMY-OWLS AND NORTHERN SAW-WHET OWLS IN
WEST-CENTRAL MONTANA, DENVER W. HOLT AND LESLIE A. LEROUX, Wilson Bull., 108(1), 1996, pp. 123-128
♦ 2Feeding Ecology of the California Mountain Kingsnake, Lampropeltis zonata (Colubridae), Harry W. Greene and Javier A. Rodríguez-Robles, Copeia, 2003(2), pp. 308314