# List of fauna of Utah

This is a list of fauna observed in the U.S. state of Utah.

## Invertebrates
### Arachnids

* American grass spider (Agelenopsis spp.)
* American yellow sac spider (Cheiracanthium inclusum)
* Ant spider (Micaria pasadena)
* Ant spider (Micaria rossica)
* Antmimic spider (Meriola decepta )
* Arizona bark scorpion (Centruroides exilicauda)
* Banded orb weaving spider (Argiope trifasciata)
* Bindweed gall mite (Aceria malherbae)
* Black hairy scorpion (Hadrurus spadix)
* Bold jumping spider (Phidippus audax)
* Camel spider (Eremobates spp.)
* Carolina wolf spider (Hogna carolinensis)
* Cat-faced spider (Araneus gemmoides)
* Cellar spiders (Pholcus phalangioides) - also called "daddy long-legs"
* Clover mite (Bryobia praetiosa)
* Crab spider (Bassaniana utahensis)
* Crab spider (Ebo pepinensis)
* Crab spider (Mecaphesa spp.)
* Crab spider (Xysticus discursans)
* Crab spider (Xysticus emertoni)
* Crab spider (Xysticus pellax )
* Eastern parson spider (Herpyllus ecclesiasticus)
* False black widow (Steatoda grossa)
* Flattened crab spider (Philodromus histrio)
* Flattened crab spider (Philodromus imbecillus)
* Flattened crab spider (Philodromus spectabilis)
* Giant desert hairy scorpion (Hadrurus arizonensis)
* Ground spider (Cesonia gertschi)
* Ground spider (Drassodes spp.)
* Ground spider (Drassyllus lepidus)
* Ground spider (Gnaphosa sericata)
* Ground spider (Herpyllus cockerelli)
* Hobo spider (Tegenaria agrestis)
* Huntsman spider (Olios giganteus)
* Jumping spider (Habronattus conjunctus)
* Jumping spider (Habronattus signatus)
* Jumping spider (Habronattus tarsalis)
* Jumping spider (Platycryptus arizonensis)
* Jumping spider (Salticus peckhamae)
* Northern scorpion (Paruroctonus boreus)
* Pseudoscorpion (various)
* Red spider mite (Tetranychus urticae) - also called "two-spotted spider mite"
* Rocky Mountain wood tick (Dermacentor andersoni)
* Sac spider (Phrurotimpus borealis)
* Salt Lake County brown tarantula (Aphonopelma iodius)
* Slender crab spider (Tibellus chamberlini)
* Slender crab spider (Tibellus duttoni)
* Soft-bodied tick (Ornithodoros spp.) - suspected due to confirmation in all surrounding states, not confirmed in Utah
* Spinose ear tick (Otobius megnini)
* Spruce spider mite (Oligonychus ununguis)
* Striped lynx spider (Oxyopes scalaris)
* Tomato russet mite (Aculops lycopersici)
* Utah crevice weaver (Kukulcania utahana)
* Western black widow spider (Latrodectus hesperus)
* White-banded crab spider (Misumenoides formosipes)
* Wolf spider (Hogna spp.)
* Woodlouse spider (Dysdera crocata)

### Crustaceans

* Brine shrimp (Artemia franciscana)
* Louisiana crayfish (Procambarus clarkii) - not native and considered invasive
* Northern crayfish (Orconectes virilis) - not native and considered invasive
* Pill bug (Armadillidium vulgare) - sometimes called "sow bugs"
* Pilose crayfish (Pacifastacus gambelii)
* Signal crayfish (Pacifastacus leniusculus) - confirmed in Utah County
* Snake River Pilose crayfish (Pacifastacus leniusculus) - likely but not confirmed as of 2009
* Water flea (Daphnia lumholtzi) - not native and considered invasive

### Insects

* Alkali fly (Ephydra hians)
* American serpentine leafminer (Liriomyza trifolii)
* Bank's grass mite (Oligonychus pratensis)
* Beet leafhopper (Circulifer tenellus)
* Brine fly (Ephydra cinerea Jones)
* Brown marmorated stink bug (Halyomorpha halys) - considered invasive
* Cabbage aphid (Brevicoryne brassicae)
* Cabbage maggot (Delia radicum)
* Colorado potato beetle (Leptinotarsa decemlineata)
* Columbia Basin wireworm (Limonius subauratus)
* Common earwig (Forficula auricularia) - also called European earwig
* Coral Pink Sand Dunes tiger beetle (Cicindela albissima)
* Corn leaf aphid (Rhopalosiphum maidis)
* Corn sap beetle (Carpophilus dimidiatus)
* Differential grasshopper (Melanoplus differentialis)
* Dusky sap beetle (Carpophilus lugubris)
* Four-spotted sap beetle (Glischrochilus quadrisignatus) - also called picnic beetle
* Great Basin wireworm (Ctenicera pruinina)
* Green lacewing (Chrysopa)
* Green peach aphid (Myzus persicae)
* Green stink bug (Chinavia hilaris)
* Ichneumon wasp (Megarhyssa spp.)
* Jerusalem cricket (Stenopelmatus spp.)
* Melon aphid (Aphis gossypii)
* Migratory grasshopper (Melanoplus sanguinipes)
* Mormon cricket (Anabrus simplex)
* Northern corn rootworm (Diabrotica barberi)
* Onion fly (Delia antiqua)
* Onion thrips (Thrips tabaci)
* Pacific coast wireworm (Limonius canus)
* Potato aphid (Macrosiphum euphorbiae)
* Potato psyllid (Bactericera cockerelli)
* Red-legged grasshopper (Melanoplus femurrubrum)
* Seedcorn maggot (Delia platura)
* Spotted cucumber beetle (Diabrotica undecimpunctata)
* Striped cucumber beetle (Acalymma trivittatum)
* Thrips (various)
* Sugar beet wireworm (Limonius californicus)
* Two-striped grasshopper (Melanoplus bivittatus)
* Vegetable leafminer (Liriomyza sativae)
* Velvet ant (Mutillidae spp.) - these are actually a type of wasp
* Water boatmen (Corixidae)
* Western corn rootworm (Diabrotica virgifera)
* Western field wireworm (Limonius infuscatus)
* Western honey bee (Apis mellifera)

#### Butterflies and moths

* Achemon sphinx moth (Eumorpha achemon)
* American painted lady butterfly (Vanessa virginiensis)
* American snout butterfly (Libytheana carinenta)
* Anise swallowtail butterfly (Papilio zelicaon)
* Aphrodite fritillary butterfly (Speyeria aphrodite)
* Arctic fritillary butterfly (Boloria chariclea)
* Army cutworm (Euxoa auxiliaris)
* Black cutworm (Agrotis ipsilon)
* Black swallowtail butterfly (Papilio polyxenes)
* Bordered patch butterfly (Chlosyne lacinia)
* Cabbage looper (Trichoplusia ni)
* California patch butterfly (Chlosyne californica)
* California sister butterfly (Adelpha californica)
* California tortoiseshell butterfly (Nymphalis californica)
* Callippe fritillary butterfly (Speyeria callippe)
* Clodius parnassian butterfly (Parnassius clodius)
* Common buckeye butterfly (Junonia coenia)
* Compton tortoiseshell butterfly (Nymphalis vaualbum)
* Corn earworm (Helicoverpa zea) - also called the tomato fruitworm
* Coronis fritillary butterfly (Speyeria coronis)
* Diamondback moth (Plutella xylostella)
* Dotted checkerspot butterfly (Poladryas minuta)
* Edith's checkerspot butterfly (Euphydryas editha)
* Edward's fritillary butterfly (Speyeria edwardsii)
* Empress Leilia butterfly (Asterocampa leilia)
* Fall armyworm (Spodoptera frugiperda)
* Field crescent butterfly (Phyciodes pulchella)
* Five-spotted hawkmoth (Manduca quinquemaculata)
* Freija fritillary butterfly (Boloria freija)
* Glassy cutworm (Crymodes devastator)
* Gorgone checkerspot butterfly (Chlosyne gorgone)
* Gray comma butterfly (Polygonia progne)
* Great Basin fritillary butterfly (Speyeria egleis)
* Great spangled fritillary butterfly (Speyeria cybele)
* Green comma butterfly (Polygonia faunus)
* Gulf fritillary butterfly (Agraulis vanillae)
* Hackberry emperor butterfly (Asterocampa celtis)
* Hoary comma butterfly (Polygonia gracilis)
* Hydaspe fritillary butterfly (Speyeria hydaspe)
* Indra swallowtail butterfly (Papilio indra)
* Leanira checkerspot butterfly (Chlosyne leanira)
* Lorquin's admiral butterfly (Limenitis lorquini)
* Milbert's tortoiseshell butterfly (Aglais milberti)
* Monarch butterfly (Danaus plexippus)
* Mormon fritillary butterfly (Speyeria mormonia)
* Mourning cloak butterfly (Nymphalis antiopa)
* Mylitta crescent butterfly (Phyciodes mylitta)
* Nokomis fritillary butterfly (Speyeria nokomis)
* Northern checkerspot butterfly (Chlosyne palla)
* Northern crescent butterfly (Phyciodes cocyta)
* Northwestern fritillary butterfly (Speyeria hesperis)
* Old World swallowtail butterfly (Papilio machaon)
* Painted lady butterfly (Vanessa cardui)
* Pale crescent butterfly (Phyciodes pallida)
* Pale swallowtail butterfly (Papilio eurymedon)
* Pallid crescentspot butterfly (Phyciodes picta)
* Pearl crescent butterfly (Phyciodes tharos)
* Pipevine swallowtail butterfly (Battus philenor)
* Queen butterfly (Danaus gilippus)
* Red admiral butterfly (Vanessa atalanta)
* Red-spotted purple butterfly (Limenitis arthemis astyanax)
* Relict fritillary butterfly (Boloria kriemhild)
* Rockslide checkerspot butterfly (Chlosyne whitneyi)
* Rocky Mountain parnassian butterfly (Parnassius smintheus)
* Silver-bordered fritillary butterfly (Boloria selene)
* Small white butterfly (Pieris rapae)
* Soldier butterfly (Danaus eresimus)
* Tropical buckeye butterfly (Junonia genoveva)
* Two-tailed swallowtail butterfly (Papilio multicaudata)
* Variable checkerspot butterfly (Euphydryas chalcedona)
* Variegated cutworm (Peridroma saucia)
* Variegated fritillary butterfly (Euptoieta claudia)
* Viceroy butterfly (Limenitis archippus)
* Weidemeyer's admiral butterfly (Limenitis weidemeyerii)
* West Coast lady butterfly (Vanessa annabella)
* Western bean cutworm (Striacosta albicosta)
* Western tiger swallowtail butterfly (Papilio rutulus)
* White admiral butterfly (Limenitis arthemis)
* White peacock butterfly (Anartia jatrophae)
* White-lined sphinx moth (Hyles lineata)
* Zerene fritillary butterfly (Speyeria zerene)

### Mollusks

* Black gloss (Zonitoides nitidus)
* California floater (Anodonta californiensis)
* Desert springsnail (Pyrgulopsis deserta)
* Fat-whorled pondsnail (Stagnicola bonnevillensis)
* Fish Lake physa (Physella microstriata)
* Glass physa (Physa skinneri)
* Kanab ambersnail (Oxyloma kanabense)
* Land snail (Nesovitrea electrina)
* Minute gem (Hawaiia minuscula minuscula)
* New Zealand mud snail (Potamopyrgus antipodarum) - not native and considered invasive
* Ovate vertigo (Vertigo ovata)
* Quagga mussel (Dreissena bugensis) - considered an invasive species, found in Lake Powell and suspected of being in Deer Creek Reservoir
* Red-rimmed melania (Melanoides tuberculata) - not native and considered invasive
* Southern tightcoil (Ogaridiscus subrupicola)
* Striate gem (Hawaiia minuscula neomexicana)
* Thickshell pondsnail (Stagnicola utahensis)
* Thin-lip vallonia (Vallonia perspectiva)
* Utah physa (Physella utahensis)
* Utah roundmouth snail (Valvata utahensis)
* Variable vertigo (Vertigo gouldii)
* Western pearlshell (Margaritifera falcata)
* Wet rock physa (Physella zionis)
* Widespread column (or Moss chrysalis snail) (Pupilla muscorum)
* Winged floater (Anodonta nuttalliana)

### Other

* House centipede (Scutigera coleoptrata)

## Vertebrates
### Amphibians

* American bullfrog (Rana catesbeiana) - not a native species
* Arizona toad (Bufo microscaphus)
* Canyon tree frog (Hyla arenicolor)
* Columbia spotted frog (Rana luteiventris) - on the Utah Sensitive Species List as a "conservation agreement species"
* Great Basin spadefoot (Spea intermontana)
* Great Plains toad (Bufo cognatus)
* Green frog (Rana clamitans) - not a native species
* New Mexico spadefoot toad (Spea multiplicata)
* Northern leopard frog (Rana pipiens)
* Pacific tree frog (Pseudacris regilla)
* Plains spadefoot toad (Spea bombifrons)
* Red-spotted toad (Bufo punctatus)
* Relict leopard frog (Rana onca) - endangered, possibly extirpated from Utah
* Tiger salamander (Ambystoma tigrinum) - the only native salamander species in Utah
* Western chorus frog (Pseudacris triseriata)
* Western toad (Bufo boreas)
* Woodhouse's toad (Bufo woodhousii)

### Birds

* Acorn woodpecker (Melanerpes formicivorus)
* Abert's towhee (Pipilo aberti)
* American avocet (Recurvirostra americana)
* American bittern (Botaurus lentiginosus)
* American cliff swallow (Petrochelidon pyrrhonota)
* American coot (Fulica americana)
* American crow (Corvus brachyrhynchos)
* American dipper (Cinclus mexicanus)
* American golden plover (Pluvialis dominica)
* American goldfinch (Carduelis tristis)
* American kestral (Falco sparverius)
* American pipit (Anthus rubescens) - also known as the buff-bellied pipit
* American redstart (Setophaga ruticilla)
* American robin (Turdus migratorius)
* American three-toed woodpecker (Picoides dorsalis)
* American tree sparrow (Spizella arborea)
* American white pelican (Pelecanus erythrorhynchos)
* American wigeon (Anas americana)
* Ash-throated flycatcher (Myiarchus cinerascens)
* Baird's sandpiper (Calidris bairdii)
* Bald eagle (Haliaeetus leucocephalus)
* Band-tailed pigeon (Patagioenas fasciata)
* Bank swallow (Riparia riparia) - also called sand martin
* Barn owl (Tyto alba)
* Barn swallow (Hirundo rustica)
* Barrow's goldeneye (Bucephala islandica)
* Bell's vireo (Vireo bellii)
* Belted kingfisher (Ceryle alcyon)
* Bendire's thrasher (Toxostoma bendirei)
* Bewick's wren (Thyromanes bewickii)
* Black phoebe (Sayornis nigricans)
* Black rosy finch (Leucosticte atrata)
* Black swift (Cypseloides niger)
* Black tern (Chlidonias niger)
* Black-and-white warbler (Mniotilta varia) - rare, transitory
* Black-bellied plover (Pluvialis squatarola)
* Black-billed cuckoo (Coccyzus erythropthalmus)
* Black-billed magpie (Pica hudsonia)
* Black-capped chickadee (Poecile atricapillus)
* Black-chinned hummingbird (Archilochus alexandri)
* Black-chinned sparrow (Spizella atrogularis)
* Black-crowned night heron (Nycticorax nycticorax)
* Black-headed grosbeak (Pheucticus melanocephalus)
* Black-necked stilt (Himantopus mexicanus)
* Black-tailed gnatcatcher (Polioptila melanura)
* Black-throated gray warbler (Dendroica nigrescens)
* Black-throated sparrow (Amphispiza bilineata)
* Blackpoll warbler (Dendroica striata) - rare, transitory
* Blue jay (Cyanocitta cristata) - rare, mainly in winter
* Blue-gray gnatcatcher (Polioptila caerulea)
* Blue-winged teal (Anas discors)
* Bobolink (Dolichonyx oryzivorus)
* Bohemian waxwing (Bombycilla garrulus)
* Bonaparte's gull (Larus philadelphia)
* Boreal owl (Aegolius funereus)
* Brewer's blackbird (Euphagus cyanocephalus)
* Brewer's sparrow (Spizella breweri breweri)
* Broad-tailed hummingbird (Selasphorus platycercus)
* Broad-winged hawk (Buteo platypterus) - uncommon, mostly transitory
* Brown creeper (Certhia americana)
* Brown thrasher (Toxostoma rufum)
* Brown-crested flycatcher (Myiarchus tyrannulus) - rare, transitory
* Brown-headed cowbird (Molothrus ater)
* Bufflehead (Bucephala albeola)
* Bullock's oriole (Icterus bullockii)
* Burrowing owl (Athene cunicularia)
* Bushtit (Psaltriparus minimus)
* Cackling goose (Branta hutchinsii)
* Cactus wren (Campylorhynchus brunneicapillus)
* California condor (Gymnogyps californianus) - endangered
* California gull (Larus californicus) - often called seagull
* California quail (Callipepla californica)
* Calliope hummingbird (Selasphorus calliope) - formerly Stellula calliope
* Canada goose (Branta canadensis)
* Canvasback (Aythya valisineria)
* Canyon wren (Catherpes mexicanus)
* Caspian tern (Sterna caspia)
* Cassin's finch (Carpodacus cassinii)
* Cassin's kingbird (Tyrannus vociferans)
* Cassin's vireo (Vireo cassinii)
* Cedar waxwing (Bombycilla cedrorum)
* Chipping sparrow (Spizella passerina)
* Chukar partridge (Alectoris chukar)
* Cinnamon teal (Anas cyanoptera)
* Clark's grebe (Aechmophorus clarki)
* Clark's nutcracker (Nucifraga columbiana)
* Common black hawk (Buteogallus anthracinus)
* Common goldeneye (Bucephala clangula)
* Common grackle (Quiscalus qusicula)
* Common loon (Gavia immer)
* Common merganser (Mergus merganser)
* Common moorhen (Gallinula chloropus)
* Common nighthawk (Chordeiles minor)
* Common poorwill (Phalaenoptilus nuttallii)
* Common raven (Corvus corax)
* Common redpoll (Carduelis flammea)
* Common tern (Sterna hirundo)
* Dusky grouse (Dendragapus obscurus) - sometimes called blue grouse
* Long-billed dowitcher (Limnodromus scolopaceus)
* Marbled godwit (Limosa fedoa)
* Red-necked phalarope (Phalaropus lobatus)
* Snowy plover (Charadrius nivosus)
* Western cattle egret (Bubulcus ibis)
* Western sandpiper (Calidris mauri)
* Wilson's phalarope (Phalaropus tricolor)
* Wood duck (Aix sponsa)

### Fishes

* Arctic grayling (Thymallus arcticus) - introduced fish, not native to Utah
* Bear Lake sculpin (Cottus extensus) - listed as "vulnerable", found only in Bear Lake
* Bear Lake whitefish (Prosopium abyssicola) - found only in Bear Lake
* Black bullhead (Ameiurus melas)
* Black crappie (Pomoxis nigromaculatus)
* Bluegill (Lepomis macrochirus) - introduced fish, not native to Utah
* Bluehead sucker (Catostomus discobolus) - on the Utah Sensitive Species List
* Bonneville cisco (Prosopium gemmifer) - found only in Bear Lake
* Bonneville cutthroat trout (Oncorhynchus clarkii utah)
* Bonneville whitefish (Prosopium spilonotus) - found only in Bear Lake
* Bonytail chub (Gila elegans) - Federally listed as critically endangered
* Brassy minnow (Hybognathus hankinsoni) - introduced fish, not native to Utah
* Brook stickleback (Culaea inconstans) - introduced fish, not native to Utah
* Brook trout (Salvelinus fontinalis) - introduced fish, not native to Utah
* Brown trout (Salmo trutta) - introduced fish, not native to Utah
* Burbot (Lota lota) - illegally introduced fish, not native to Utah
* Channel catfish (Ictalurus punctatus) - introduced fish, not native to Utah
* Colorado pikeminnow (Ptychocheilus lucius) - Federally listed as vulnerable
* Colorado River cutthroat trout (Oncorhynchus clarkii pleuriticus)
* Common carp (Cyprinus carpio) - introduced, invasive fish, not native to Utah
* Cutthroat trout (Oncorhynchus clarkii)
* June sucker (Chasmistes liorus)
* Least chub (Iotichthys phlegethontis)
* Utah Lake sculpin (Cottus echinatus) - extinct, last observed in the 1920s

### Mammals

* Abert's squirrel (Sciurus aberti)
* Allen's big-eared bat (Idionycteris phyllotis)
* American badger (Taxidea taxus)
* American bison (Bos bison or Bison bison)
* American black bear (Ursus americanus)
* American ermine (Mustela richardsonii)
* American marten (Martes americana)
* American mink (Neogale vison)
* American pika (Ochotona princeps)
* American red squirrel (Tamiasciurus hudsonicus)
* American water shrew (Sorex palustris)
* Arizona woodrat (Neotoma devia)
* Belding's ground squirrel (Spermophilus beldingi or Urocitellus beldingi)
* Big brown bat (Eptesicus fuscus)
* Big free-tailed bat (Nyctinomops macrotis)
* Black rat (Rattus rattus)
* Black-footed ferret (Mustela nigripes)
* Black-tailed jackrabbit (Lepus californicus)
* Bobcat (Lynx rufus)
* Botta's pocket gopher (Thomomys bottae)
* Brown bear (Ursus arctos) – extirpated
* Brown rat (Rattus norvegicus)
* Brush mouse (Peromyscus boylii)
* Bushy-tailed woodrat (Neotoma cinerea)
* Cactus mouse (Peromyscus eremicus)
* California bighorn sheep (Ovis canadensis californiana)
* California myotis (Myotis californicus)
* Canada lynx (Lynx canadensis)
* Canyon mouse (Peromyscus crinitus)
* Chisel-toothed kangaroo rat (Dipodomys microps)
* Cinereus shrew (Sorex cinereus)
* Cliff chipmunk (Tamias dorsalis or Neotamias dorsalis)
* Cougar (Puma concolor)
* Coyote (Canis latrans)
* Crawford's gray shrew (Notiosorex crawfordi)
* Dark kangaroo mouse (Microdipodops megacephalus)
* Desert bighorn sheep (Ovis canadensis nelsoni)
* Desert cottontail (Sylvilagus audubonii)
* Desert kangaroo rat (Dipodomys deserti)
* Desert pocket mouse (Chaetodipus penicillatus)
* Desert woodrat (Neotoma lepida)
* Dwarf shrew (Sorex nanus)
* Elk/Wapati (Cervus canadensis)
* Fringed myotis (Myotis thysanodes)
* Golden-mantled ground squirrel (Callospermophilus lateralis)
* Gray fox (Urocyon cinereoargenteus)
* Gray wolf (Canis lupus) – no confirmed mating pairs living in Utah, though there having been sitings in northeastern Utah along the Wyoming border
* Great Basin pocket mouse (Perognathus parvus)
* Hoary bat (Lasiurus cinereus)
* House mouse (Mus musculus)
* Kit fox (Vulpes macrotis)
* Least chipmunk (Tamias minimus)
* Little brown bat (Myotis lucifugus)
* Long-eared myotis (Myotis evotis)
* Long-legged myotis (Myotis volans)
* Long-tailed vole (Microtus longicaudus)
* Long-tailed weasel (Neogale frenata)
* Meadow vole (Microtus pennsylvanicus)
* Mexican free-tailed bat (Tadarida brasiliensis)
* Montane shrew (Sorex monticolus)
* Montane vole (Microtus montanus)
* Moose (Alces alces)
* Mountain cottontail (Sylvilagus nuttallii)
* Mountain goat (Oreamnos americanus)
* Mule deer (Odocoileus hemionus)
* Muskrat (Ondatra zibethicus)
* North American beaver (Castor canadensis)
* North American deer mouse (Peromyscus maniculatus)
* North American porcupine (Erethizon dorsatum)
* North American river otter (Lontra canadensis)
* Northern flying squirrel (Glaucomys sabrinus)
* Northern grasshopper mouse (Onychomys leucogaster)
* Northern pocket gopher (Thomomys talpoides)
* Ord's kangaroo rat (Dipodomys ordii)
* Pinyon mouse (Peromyscus truei)
* Piute ground squirrel (Urocitellus mollis)
* Pronghorn (Antilocapra americana)
* Raccoon (Procyon lotor)
* Red deer (Cervus elaphus)
* Red fox (Vulpes vulpes)
* Ring-tailed cat (Bassariscus astutus)
* Rock squirrel (Otospermophilus variegatus)
* Rocky Mountain bighorn sheep (Ovis canadensis canadensis)
* Silver-haired bat (Lasionycteris noctivagans)
* Snowshoe hare (Lepus americanus)
* Southern red-backed vole (Clethrionomys gapperi)
* Spotted bat (Euderma maculatum)
* Striped skunk (Mephitis mephitis)
* Townsend's big-eared bat (Corynorhinus townsendii)
* Uinta chipmunk (Tamias umbrinus)
* Uinta ground squirrel (Urocitellus armatus)
* Vagrant shrew (Sorex vagrans)
* Water vole (Microtus richardsoni)
* Western harvest mouse (Reithrodontomys megalotis)
* Western heather vole (Phenacomys intermedius)
* Western jumping mouse (Zapus princeps)
* Western small-footed bat (Myotis ciliolabrum)
* Western spotted skunk (Spilogale gracilis)
* White-tailed antelope squirrel (Ammospermophilus leucurus)
* White-tailed deer (Odocoileus virginianus)
* White-tailed jackrabbit (Lepus townsendii)
* Wolverine (Gulo gulo)
* Yellow-bellied marmot (Marmota flaviventris)

### Reptiles

* Blackneck garter snake (Thamnophis cyrtopsis)
* Coachwhip (Masticophis flagellum)
* Common chuckwalla (Sauromalus ater)
* Common kingsnake (Lampropeltis getula)
* Common side-blotched lizard (Uta stansburiana)
* Corn snake (Pantherophis guttatus or Elaphe guttata)
* Desert horned lizard / "horny toad" (Phrynosoma platyrhinos)
* Desert iguana (Dipsosaurus dorsalis)
* Desert night lizard (Xantusia vigilis)
* Desert spiny lizard (Sceloporus magister)
* Desert tortoise / "Mojave desert tortoise" (Gopherus agassizii)
* Eastern collared lizard (Crotaphytus collaris)
* Eastern fence lizard (Sceloporus undulatus)
* Eastern racer (Coluber constrictor)
* Gila monster (Heloderma suspectum)
* Glossy snake
** A. e. eburnata
** A. e. philipi
* Gopher snake (Pituophis catenifer)
** P. c. deserticola
** P. c. sayi ("bullsnake")
* Great Basin collared lizard (Crotaphytus bicinctores)
* Great Basin rattlesnake (Crotalus oreganus lutosus or Crotalus lutosus)
* Greater short-horned lizard / "Horny toad" (Phrynosoma hernandesi)
* Hopi rattlesnake (Crotalus viridis nuntius)
* Lesser earless lizard (Holbrookia maculata)
* Long-nosed leopard lizard (Gambelia wislizenii)
* Long-nosed snake (Rhinocheilus lecontei)
* Many-lined skink (Plestiodon multivirgatus)
* Midget faded rattlesnake (Crotalus oreganus concolor)
* Milk snake (Lampropeltis triangulum)
* Mojave rattlesnake (Crotalus scutulatus)
* New Mexico whiptail (Aspidoscelis neomexicanus)
* Night snake (Hypsiglena torquata)
* Ornate tree lizard (Urosaurus ornatus)
* Painted turtle (Chrysemys picta)
* Plateau striped whiptail (Aspidoscelis velox)
* Prairie rattlesnake (Crotalus viridis viridis)
* Ring-necked snake (Diadophis punctatus)
* Rubber boa (Charina bottae)
* Sagebrush lizard (Sceloporus graciosus)
* Sidewinder (Crotalus cerastes)
* Smith's black-headed snake (Tantilla hobartsmithi)
* Smooth green snake (Opheodrys vernalis)
* Snapping turtle (Chelydra serpentina) – not native, confirmed near St. George
* Sonoran mountain kingsnake (Lampropeltis pyromelana)
* Speckled rattlesnake (Crotalus mitchellii)
* Spiny softshell turtle (Apalone spinifera)
* Spotted leaf-nosed snake (Phyllorhynchus decurtatus)
* Striped whipsnake (Masticophis taeniatus)
* Valley garter snake (Thamnophis sirtalis fitchi)
* Western banded gecko (Coleonyx variegatus)
* Western fence lizard (Sceloporus occidentalis)
* Western ground snake (Sonora semiannulata)
* Western lyre snake (Trimorphodon biscutatus)
* Western patch-nosed snake (Salvadora hexalepis)
* Western skink (Eumeces skiltonianus or Plestiodon skiltonianus)
* Western terrestrial garter snake (Thamnophis elegans)
* Western threadsnake (Leptotyphlops humilis or Rena humilis)
* Western whiptail (Aspidoscelis tigris)
* Zebra-tailed lizard (Callisaurus draconoides)