Search for: [Description = "In a study of small mammal populations on Assateague Island, Virginia, U.S.A., two species \(Microtus pennsylvanicus, Oryzomys palustris\) exhibited a significant preference for large rather than small Sherman live traps. Three smaller species \(Cryptotis parva, Mus musculus, Peromyscus leucopus\) did not show a significant bias with respect to trap size. Differential effectiveness of large and small traps appeared to be related to size\-specific behavioral responses and not to differences in trap sensitivity."]

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