2013 Envirothon August 20, 2019 admin smallest members of the rodent family mice, voles, lemmings Why are populations large? they breed often and have large litters Food supply for? many predators, including bear, coyotes and others When are they active? at night; all year What is Pennsylvania home to? two native species of micefour volesbog lemmingtwo jumping micetwo species from Europe Winter sign of rodents? Mouse cache of seeds and nuts; food that has been collected for winter What type hibernate? only jumping mice What do they eat? mainly herbivores, but sometimes eat insects, eggs, spiders, small creatures Where to find them? almost anywhere; meadows, farms, cities, marshland, homes; surface of ground or tunnels Nests? round nests made of mounds of leaves and grassesinside the nest chamber is soft plant material; litters born here Young? born hairless, blind, called pupsat one month can fend for themselves and mother can give birth again -> large populations Related posts: Integrative Management of Invasive Insect Pests: Quiz 2 Plant Pathology: Lab Exam Conservation Biology NRS 223 Test 2 wildlife