Twin Peaks is home to a wide variety of flora and fauna. Animals that live in this area rely on a pristine environment that has little impact from humans. While much of their home in the Wasatch has been developed, Twin Peaks Wilderness remains an unspoiled area to the plants and animals that live there. 




  • Moose (Alces alces)
  • Gray Fox (Urocyon cinereoargenteus)
  • Red Fox (Vulpes vulpes)
  • American Black Bear (Ursus americanus)
  • Coyote (Canis latrans)
  • American Pika (Ochotona princeps)
  • American Mink (Neovison vison)
  • Snowshoe Hare (Lepus americanus)
  • Short-tailed Weasel (Mustela erminea)
  • Long-tailed Weasel (Mustela frenata)
  • North American Porcupine (Erethizon dorsatum)
  • Bobcat (Lynx rufus)
  • Rock Squirrel (Otospermophilus variegatus)
  • Red squirrel (Tamiasciurus hudsonicus)
  • Yellow-bellied Marmot (Marmota flaviventris)
  • Striped Skunk (Mephitis mephitis)
  • Elk (Cervus canadensis)


  • Rainbow Trout (Oncorhynchus mykiss)
  • Brown Trout (Salmo trutta)
  • Brook Trout (Salvelinus fontinalis)
  • Cutthroat Trout (Oncorhynchus clarkii)
  • Arctic Grayling (Thymallus arcticus)


  • Boreal Toad (Bufo boreas boreas)
  • Tiger Salamander (Ambystoma tigrinum)
  • Chorus Frog (Pseudacris)
  • Columbia Spotted Frog (Rana luteiventris)


  • Western Rattlesnake (Crotalus atrox)
  • Western Terrestrial Garter Snake (Thamnophis elegans)
  • Northern Rubber Boa (Charina bottae)


  • Dusky Grouse (Dendragapus obscurus)
  • Ruffed Grouse (Bonasa umbellus)
  • Calliope Hummingbird (Selasphorus calliope)
  • Black-chinned Hummingbird (Archilochus alexandri)
  • Broad-tailed Hummingbird (Selasphorus platycercus)
  • White Throated Swift (Aeronautes saxatalis)
  • Red-naped Sapsucker (Sphyrapicus nuchalis)
  • Hammond’s Flycatcher (Empidonax hammondii)
  • Olive-sided Flycatcher (Contopus cooperi)
  • Cordilleran Flycatcher (Empidonax occidentalis)
  • American Three-toed Woodpecker (Picoides dorsalis)
  • Northern Saw-whet Owl (Aegolius acadicus)
  • Northern Pygmy-Owl (Glaucidium californicum)
  • Flammulated Owl (Psiloscops flammeolus
  • Steller’s Jay (Cyanocitta stelleri)
  • Clark’s Nutcracker (Nucifraga columbiana)
  • Mountain Chickadee (Poecile gambeli)
  • American Dipper (Cinclus mexicanus)
  • Red-breasted Nuthatch (Sitta canadensis)
  • Brown Creeper (Certhia americana)
  • Hermit Thrush (Catharus guttatus)
  • Macgillivray’s Warbler (Geothlypis tolmiei)
  • Cassin’s Finch (Haemorhous cassinii)
  • Yellow-rumped Warbler (Setophaga coronata)
  • American Robin (Turdus migratorius)
  • Dark-eyed Junco (Junco hyemalis)


  • Western Tiger Swallowtail (Papilio rutulus)
  • Two-tailed Swallowtail (Papilio multicaudata)
  • Mourning Cloak (Nymphalis antiopa)
  • Western Tent Caterpillar (Malacosoma californica)
  • Blue Copper (Lycaena hteronea)
  • Lupine Blue (Icaricia lupini)
  • Great Spangled Fritillary (Speyeria cybele)
  • Mormon Fritillary (Speyeria mormonia)
  • Weidemeyer’s Admiral (Limenitis weidemeyerii)
  • European Paper Wasp (Polistes dominula)
  • High-country Lady Beetle (Coccinella alta)
  • Ornate Checkered Beetle (Trichodes ornatus)
  • Common Pill Woodlouse (Armadillidium vulgare)
  • California Tortoiseshell (Nymphalis californica)
  • Coral Hairstreak (Satyrium titus)




  • Quaking Aspen (Populus tremuloides
  • Gambel Oak (Quercus gambelii)
  • Douglas-fir (Pseudotsuga menziesii)
  • Blue Spruce (Picea pungens)
  • Engelmann Spruce (Picea engelmannii)
  • Mountain Mahogany (Cercocarpus)
  • Lodgepole Pine (Pinus contorta)
  • White Fir (Abies concolor)
  • Bigtooth Maple (Acer grandidentatum)
  • Rocky Mountain Maple (Acer glabrum)
  • Rocky Mountain Juniper (Juniperus scopulorum)
  • Boxelder Maple (Acer negundo)


  • Serviceberry (Amelanchier
  • Annual Sunflower (Helianthus annuus)
  • Mountain Snowberry (Symphoricarpos oreophilus)
  • Scarlet Gilia (Ipomopsis aggregata)
  • Wood’s Rose (Rosa woodsii)
  • Giant Red Paintbrush (Castilleja miniata)
  • Heartleaf Arnica (Arnica cordifolia)
  • Arrowleaf Balsamroot (Balsamorhiza sagittata)
  • Single-Head Sunflower (Helianthella uniflora)
  • Snowy Goldeneye (Heliomeris multiflora)
  • Tufted Fleabane (Erigeron caespitosus)
  • Aspen Fleabane (Erigeron speciosus)
  • Chokecherry (Prunus virginiana)
  • Lady Fern (Athyrium filix-femina)
  • Northern Holly Fern (Polystichum lonchitis)
  • White Clover (Trifolium repens)
  • Richardson’s Geranium (Geranium richardsonii)
  • Blue Columbine (Aquilegia coerulea)
  • Littleleaf Alumroot (Heuchera parvifolia)
  • Pink Alumroot (Heuchera rubescens)
  • False Solomon’s Seal (Maianthemum racemosum)
  • Clustered Lady’s Slipper (Cypripedium fasciculatum)
  • Blue Elder (Sambucus cerulea)

Twin Peaks is home to a few invasive species. Invasive species are is a species that is not native to a specific area and usually spread throughout an area causing harm to the environment. Invasive plants in this area are: 

  • Myrtle Spurge (Euphorbia myrsinites)
  • Garlic Mustard (Alliaria petiolata)
  • Houndstongue (Cynoglossum officinale)
  • Dyer’s Woad (Isatis tinctoria)
  • Stinging Nettle (Urtica dioica)
  • Common Mullein (Verbascum thapsus)

This is not a complete listing of the plants and animals of this area. To learn about more plant and animal species in the Central Wasatch follow the links below.