pennsylvanicus_ (Ord) Mice Rodentia Moles Insectivora Talpidae Perch Perciformes Percidae Pig Artiodactyla Suidae _Sus scrofa_ Linnaeus Pocket gophers Rodentia Geomyidae Porcupine Rodentia Erethizontidae _Erethizon dorsatum_ (Linnaeus) Raccoon Carnivora Procyonidae _Procyon lotor_ (Linnaeus) Rats Rodentia Red-backed mouse Rodentia Cricetidae _Clethrionomys gapperi_ (Vigors) Red-backed vole Rodentia Cricetidae _Clethrionomys gapperi_ (Vigors) Reptiles Reptilia Rodents Rodentia Salamanders Urodela Salmon Clupeiformes Salmonidae Short-tailed shrew Insectivora Soricidae _Blarina brevicauda_ (Say) Shrews Insectivora Soricidae Snakes Squamata Squirrels Rodentia Sciuridae Star-nosed mole Insectivora Soricidae _Condylura cristata_ (Linnaeus) Suckers Cypriniformes Catostomidae Toads Anura Trout Clupeiformes Salmonidae Voles Rodentia Cricetidae White-footed mouse Rodentia Cricetidae _Peromyscus_ sp. Woodrats Rodentia Cricetidae _Neotoma_ sp. Footnotes [1]_Scott, Virgil E. Characteristics of ponderosa pine snags used by cavity-nesting birds. U.S. Fish and Wildlife Service, Fort Collins, Colorado._ [2]_Scott, Virgil E._ [_In prep._] _Bird response to snag removal. U.S. Fish and Wildlife Service, Fort Collins, Colorado._ [3]Snag or tree use: A: food B: nest C: perch. [4]Major foods: 1: birds 2: rodents 3: reptiles and amphibians 4: insects 5: seeds and fleshy fruits 6: vegetation 7: other or little known. [5]Threatened or endangered species. [6]_Wildlife biologist, U.S. Fish and Wildlife Service, Fort Collins, Colorado._ [7]_Ecology Department, Colorado State University, Fort Collins, Colorado._ [8]_Zoology Department. Colorado State University, Fort Collins._