Mount Olympus Wilderness is home to many spectacular flora and fauna that are native to the area. Here is listing of many of the animals and plants that live in the area:

Animals:

Mammals:

• Moose (Alces alces)
• Mountain Lion (Puma concolor)
• Elk (Cervus canadensis)
• Gray Fox (Urocyon cinereoargenteus)
• Red Fox (Vulpes vulpes)
• Mule Deer (Odocoileus hemionus)
• 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)

Birds:

• 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)

Insects:

• 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)

Reptiles:

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

Amphibians:

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

Fish:

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

Plants:

Trees:

• 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)
• Grey Alder (Alnus incana)
• Red Birch (Betula fontinalis)
• Smooth Sumac (Rhus glabra)
• Northern Catalpa (Catalpa speciosa)

Plants:

• Serviceberry (Amelanchier)
• Sago Lily (Calochortus nuttallii)
• 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)
• Aspen Bluebells (Mertensia arizonica)
• 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)
• Longleaf Phlox (Phlox longifolia)
• Pink Alumroot (Heuchera rubescens)
• False Solomon’s Seal (Maianthemum racemosum)
• Clustered Lady’s Slipper (Cypripedium fasciculatum)
• Blue Elder (Sambucus cerulea)
• Twincrest Onion (Allium bisceptrum)
• Red Elderberry (Sambucus racemosa)
• Pigweed (Chenopodium album)
• Strawberry Blite (Chenopodium capitatum)
• Common Dandelion (Taraxacum officinale)

Invasive Species:

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

For more plant and animals:

https://www.inaturalist.org/places/mount-olympus-wilderness#taxon=1