Twin Lakes

Mt. Hood National Forest · Oregon · 6,055 acres · RoadlessArea Rule (2001)
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Observed Species (442)

Species with confirmed research-grade observation records from iNaturalist community science data.

Whitebark Pine (1)
Pinus albicaulisThreatened
(3)
Ascochyta achlyicola
(1)
Cribraria tubulina
(3)
Aceria caliberberis
(1)
Lamproderma sauteri
(1)
Morchella norvegiensis
(1)
Taphrina populi-salicis
(1)
Heterotrichia versicolor
(1)
Comatricha sinuatocolumellata
(2)
Psilocybe aztecorum
(1)
Badhamia albescens
(2)
Chromosera loreleiae
(1)
Diderma alpinum
Abrupt Sedge (1)
Carex abrupta
Alder erineum mite (1)
Acalitus brevitarsus
Alice's Fleabane (1)
Erigeron aliceae
Alpine Blueberry (5)
Vaccinium uliginosum
Alpine Marsh Violet (4)
Viola palustris
American Black Bear (3)
Ursus americanus
American False Hellebore (2)
Veratrum viride
American Goshawk (1)
Astur atricapillus
American Pika (1)
Ochotona princeps
American Pinesap (38)
Monotropa hypopitys
American Purple Vetch (1)
Vicia americana
American Rockbrake (3)
Cryptogramma acrostichoides
American Speedwell (4)
Veronica americana
Anna's Hummingbird (1)
Calypte anna
Arboreal Wrinkle Lichen (3)
Tuckermanopsis subalpina
Arctic Sweet-colt's-foot (3)
Petasites frigidus
Arrow-leaf Groundsel (6)
Senecio triangularis
Arrowleaf Buckwheat (8)
Eriogonum compositum
Bald Eagle (1)
Haliaeetus leucocephalusDL
Baltic Rush (1)
Juncus balticus
Band-tailed Pigeon (1)
Patagioenas fasciata
Barred Owl (4)
Strix varia
Barrow's Goldeneye (2)
Bucephala islandica
Bear's Head (8)
Hericium abietis
Bearberry (2)
Arctostaphylos uva-ursi
Bitter Cherry (1)
Prunus emarginata
Black Cottonwood (5)
Populus trichocarpa
Black-backed Woodpecker (1)
Picoides arcticus
Blackfoot Paxillus (4)
Tapinella atrotomentosa
Bog Buckbean (2)
Menyanthes trifoliata
Bolander's Ragwort (1)
Packera bolanderi
Bonfire Scalycap (1)
Pholiota highlandensis
Bracken Fern (9)
Pteridium aquilinum
Brain Mushroom (10)
Gyromitra esculenta
Brewer's Bittercress (1)
Cardamine breweri
Brewer's Sedge (1)
Carex breweri
Bristly Black Currant (7)
Ribes lacustre
Bristly-stalked Sedge (1)
Carex leptalea
Broadleaf Lupine (2)
Lupinus latifolius
Brown-spored Navel Mushroom (1)
Ripartites tricholoma
Bull Elephant's-head (3)
Pedicularis groenlandica
California Polemonium (3)
Polemonium californicum
Canada Jay (27)
Perisoreus canadensis
Carolina Tassel-rue (2)
Trautvetteria caroliniensis
Cascade Aster (1)
Doellingeria ledophylla
Cascade Beardtongue (1)
Penstemon serrulatus
Cascades Frog (21)
Rana cascadae
Cedar Waxwing (1)
Bombycilla cedrorum
Chestnut-backed Chickadee (1)
Poecile rufescens
Clark's Nutcracker (1)
Nucifraga columbiana
Cliff Beardtongue (1)
Penstemon rupicola
Coast Range Lomatium (7)
Lomatium martindalei
Coastal Giant Salamander (1)
Dicamptodon tenebrosus
Coastal Hedge-nettle (1)
Stachys chamissonis
Coiled-leaf Plait Moss (1)
Hypnum circinale
Columbian Lily (1)
Lilium columbianum
Columbian Monkshood (4)
Aconitum columbianum
Columbian Windflower (11)
Anemonastrum deltoideum
Common Coral Slime (2)
Ceratiomyxa fruticulosa
Common Gartersnake (18)
Thamnophis sirtalis
Common Kettlewort (1)
Blasia pusilla
Common Mullein (1)
Verbascum thapsus
Common Raven (4)
Corvus corax
Common Speedwell (1)
Veronica officinalis
Common St. John's-wort (2)
Hypericum perforatum
Common Wintergreen (29)
Chimaphila umbellata
Common Witch's Hair Lichen (3)
Alectoria sarmentosa
Common Yarrow (16)
Achillea millefolium
Cow-parsnip (7)
Heracleum maximum
Cream Stonecrop (13)
Sedum oregonense
Creeping Oregon-grape (1)
Berberis repens
Dark-eyed Junco (2)
Junco hyemalis
Davis' knotweed (1)
Koenigia davisiae
Deer Fern (7)
Struthiopteris spicant
Deer's-foot (3)
Achlys californica
Devil's Tooth (3)
Hydnellum peckii
Devil's-club (11)
Oplopanax horridus
Dog Sick Slime Mould (1)
Didymium spongiosum
Dog Vomit Slime Mold (4)
Fuligo septica
Douglas' Hawthorn (1)
Crataegus douglasii
Douglas' Spiraea (21)
Spiraea douglasii
Douglas' Squirrel (8)
Tamiasciurus douglasii
Douglas-fir (11)
Pseudotsuga menziesii
Douglas-fir Cone Mushroom (1)
Strobilurus trullisatus
Dutchman's Breeches (2)
Dicentra cucullaria
Dyer's Polypore (2)
Phaeolus schweinitzii
Eared Dome Sheetweaver (1)
Neriene digna
Elegant Goldenrod (3)
Solidago lepida
Emetic Russula (1)
Russula emetica
Engelmann Spruce (13)
Picea engelmannii
English Plantain (1)
Plantago lanceolata
Entireleaf Ragwort (3)
Senecio integerrimus
Fairy Slipper (6)
Calypso bulbosa
Few-flower Spikerush (1)
Eleocharis quinqueflora
Field Horsetail (1)
Equisetum arvense
Fireweed (6)
Chamaenerion angustifolium
Five-leaf Dwarf Bramble (1)
Rubus pedatus
Flaky Waxy Cap (1)
Hygrophorus chrysodon
Fly Amanita (15)
Amanita muscaria
Four-line Honeysuckle (5)
Lonicera involucrata
Fragile Fern (1)
Cystopteris fragilis
Fragmenting Coral Lichen (1)
Sphaerophorus tuckermanii
Fried Chicken Mushroom (1)
Lyophyllum decastes
Fringed Pinesap (1)
Pleuricospora fimbriolata
Garden Bird's-foot-trefoil (2)
Lotus corniculatus
Gassy Webcap (3)
Cortinarius traganus
Geyer's Willow (1)
Salix geyeriana
Giant Pinedrops (18)
Pterospora andromedea
Giant Rattlesnake-plantain (13)
Goodyera oblongifolia
Glaucous Beardtongue (6)
Penstemon euglaucus
Gnome-plant (11)
Hemitomes congestum
Golden Chinquapin (37)
Chrysolepis chrysophylla
Golden-crowned Kinglet (3)
Regulus satrapa
Golden-mantled Ground Squirrel (6)
Callospermophilus lateralis
Goldenrod Crab Spider (6)
Misumena vatia
Graceful Cinquefoil (1)
Potentilla gracilis
Grand Fir (1)
Abies grandis
Great Blue Heron (2)
Ardea herodias
Great Burnet (2)
Sanguisorba officinalis
Greater Red Indian-paintbrush (23)
Castilleja miniata
Greene's Mountain-ash (5)
Sorbus scopulina
Greenleaf Manzanita (2)
Arctostaphylos patula
Ground Juniper (12)
Juniperus communis
Hairy Woodpecker (1)
Leuconotopicus villosus
Hairy-fruit Smooth Dewberry (3)
Rubus lasiococcus
Hare Figwort (4)
Scrophularia lanceolata
Hermit Thrush (1)
Catharus guttatus
Hoary Sedge (1)
Carex canescens
Hooded Ladies'-tresses (4)
Spiranthes romanzoffiana
Humped Bladderwort (1)
Utricularia gibba
Indian Paint Fungus (1)
Echinodontium tinctorium
Jeffrey's Shootingstar (1)
Primula jeffreyi
Jelly Tooth (1)
Pseudohydnum gelatinosum
Kellogg's Sedge (1)
Carex kelloggii
King Bolete (6)
Boletus edulis
Lace Foamflower (6)
Tiarella trifoliata
Lace Lipfern (7)
Myriopteris gracillima
Lanceleaf Arnica (1)
Arnica lanceolata
Largeleaf Avens (1)
Geum macrophyllum
Largeleaf Pondweed (1)
Potamogeton amplifolius
Largeleaf Sandwort (1)
Moehringia macrophylla
Leafless wintergreen (1)
Pyrola aphylla
Leafy Dwarf Knotweed (2)
Polygonum minimum
Leafy Lousewort (13)
Pedicularis racemosa
Lesser Spearwort (1)
Ranunculus flammula
Lesser Yellowlegs (1)
Tringa flavipes
Lettuce Lichen (1)
Lobaria oregana
Lewis' Monkeyflower (2)
Erythranthe lewisii
Lincoln's Sparrow (1)
Melospiza lincolnii
Littleleaf Miner's-lettuce (1)
Montia parvifolia
Lodgepole Pine (25)
Pinus contorta
Longleaf Oregon-grape (15)
Berberis nervosa
Longtail Wild Ginger (4)
Asarum caudatum
MacGillivray's Warbler (2)
Geothlypis tolmiei
Majestic Amanita (1)
Amanita augusta
Mallard (4)
Anas platyrhynchos
Mannered Monkeyflower (5)
Erythranthe decora
Marsh Speedwell (1)
Veronica scutellata
Marsh Valerian (8)
Valeriana sitchensis
Marumleaf Buckwheat (1)
Eriogonum marifolium
Meadow Timothy (1)
Phleum pratense
Menzies' Wintergreen (6)
Chimaphila menziesii
Mertens' Coralroot (39)
Corallorhiza mertensiana
Mountain Arnica (4)
Arnica latifolia
Mountain Butter Bolete (1)
Butyriboletus abieticola
Mountain Hemlock (39)
Tsuga mertensiana
Mountain Maple (3)
Acer glabrum
Mt. Hood Pussy-paws (2)
Calyptridium umbellatum
Musk Monkeyflower (2)
Erythranthe moschata
New World Dyer's Polypore (2)
Phaeolus hispidoides
Nipple-seed Plantain (1)
Plantago major
Noble Fir (23)
Abies procera
Nordmann's Orbweaver (1)
Araneus nordmanni
Northern Flicker (1)
Colaptes auratus
Northern Red Belt (6)
Fomitopsis mounceae
Northern Saw-whet Owl (1)
Aegolius acadicus
Northwestern Gartersnake (3)
Thamnophis ordinoides
Oceanspray (5)
Holodiscus discolor
Olive-sided Flycatcher (1)
Contopus cooperi
Olympic Brachydontium Moss (1)
Brachydontium olympicum
One-sided Wintergreen (20)
Orthilia secunda
Orange Fuzzyfoot (1)
Xeromphalina campanella
Orange Hydnellum (1)
Hydnellum aurantiacum
Orange Peel Fungus (1)
Aleuria aurantia
Orange Sponge Polypore (3)
Pycnoporellus alboluteus
Oregon Bedstraw (1)
Galium oreganum
Oregon Boxleaf (17)
Paxistima myrsinites
Oregon anemone (17)
Anemonoides oregana
Osprey (3)
Pandion haliaetus
Oval-leaf Huckleberry (16)
Vaccinium ovalifolium
Oxeye Daisy (3)
Leucanthemum vulgare
Pacific Bleedingheart (3)
Dicentra formosa
Pacific Crabapple (1)
Malus fusca
Pacific Dogwood (1)
Cornus nuttallii
Pacific Gentian (5)
Gentiana sceptrum
Pacific Oak Fern (2)
Gymnocarpium disjunctum
Pacific Rhododendron (44)
Rhododendron macrophyllum
Pacific Silver Fir (32)
Abies amabilis
Pacific Treefrog (5)
Pseudacris regilla
Pacific Wren (4)
Troglodytes pacificus
Pearly Everlasting (12)
Anaphalis margaritacea
Peppery Bolete (3)
Chalciporus piperatus
Piggyback Plant (1)
Tolmiea menziesii
Pileated Woodpecker (1)
Dryocopus pileatus
Pine Siskin (3)
Spinus pinus
Pine Spike (1)
Chroogomphus ochraceus
Pine Woods Horkelia (1)
Horkelia fusca
Pinemat Manzanita (12)
Arctostaphylos nevadensis
Pink Wintergreen (9)
Pyrola asarifolia
Pipecleaner Moss (2)
Rhytidiopsis robusta
Piper's Oregon-grape (1)
Berberis aquifolium
Ponderosa Pine (3)
Pinus ponderosa
Prairie Lupine (4)
Lupinus lepidus
Purple Cortinarius (1)
Cortinarius violaceus
Purple Foxglove (2)
Digitalis purpurea
Purple-red Waxy Cap (1)
Hygrophorus purpurascens
Rainbow Trout or Steelhead (3)
Oncorhynchus mykiss
Red Baneberry (4)
Actaea rubra
Red Clover (1)
Trifolium pratense
Red Crossbill (4)
Loxia curvirostra
Red Elderberry (1)
Sambucus racemosa
Red Huckleberry (1)
Vaccinium parvifolium
Red-breasted Nuthatch (1)
Sitta canadensis
Red-breasted Sapsucker (2)
Sphyrapicus ruber
Red-osier Dogwood (3)
Cornus sericea
Red-tailed Hawk (1)
Buteo jamaicensis
Reticulate Taildropper (1)
Prophysaon andersonii
Ribbon Rag Lichen (1)
Platismatia stenophylla
Ring Pellia (1)
Pellia neesiana
Rocky Mountain Maple Felt Mite (1)
Aceria calaceris
Rocky Mountain Rockrose (2)
Helianthella uniflora
Rose Meadowsweet (3)
Spiraea splendens
Rosy Gomphidius (2)
Gomphidius subroseus
Rosy Pussytoes (2)
Antennaria rosea
Rough-skinned Newt (6)
Taricha granulosa
Roundleaf Sundew (5)
Drosera rotundifolia
Rowan blister mite (1)
Eriophyes sorbi
Rubber Boa (1)
Charina bottae
Rufous Milkcap (1)
Lactarius rufus
Running Clubmoss (7)
Lycopodium clavatum
Russet Scaly Tricholoma (3)
Tricholoma vaccinum
Salmonberry (2)
Rubus spectabilis
Saskatoon (3)
Amelanchier alnifolia
Scaly Hedgehog (2)
Sarcodon imbricatus
Scaly Vase Chanterelle (21)
Turbinellus floccosus
Scouler's Bellflower (11)
Campanula scouleri
Segmented Luetkea (1)
Luetkea pectinata
Shade Scorpionweed (1)
Phacelia nemoralis
Shaggy Mane (1)
Coprinus comatus
Sheep Polypore (1)
Albatrellus ovinus
Short-stem Russula (3)
Russula brevipes
Short-stem Slippery Jack (2)
Suillus brevipes
Shrubby Beardtongue (1)
Penstemon fruticosus
Siberian Springbeauty (2)
Claytonia sibirica
Signal Crayfish (2)
Pacifastacus leniusculus
Silver-crown (1)
Cacaliopsis nardosmia
Single-flowered Clintonia (18)
Clintonia uniflora
Sitka Mountain-ash (6)
Sorbus sitchensis
Sitka Willow (1)
Salix sitchensis
Six-spotted Yellow Orbweaver (1)
Araniella displicata
Slender Bog Orchid (6)
Platanthera stricta
Slender Wintergreen (13)
Gaultheria ovatifolia
Small Bedstraw (2)
Galium trifidum
Small-flower Blue-eyed Mary (3)
Collinsia parviflora
Small-flower Indian-paintbrush (1)
Castilleja parviflora
Snow-white Waxgill (1)
Cuphophyllus virgineus
Soapy Tricholoma (1)
Tricholoma saponaceum
Soft-haired Snowberry (4)
Symphoricarpos mollis
Softleaf Sedge (1)
Carex disperma
Solomon's-plume (4)
Maianthemum racemosum
Sooty Grouse (3)
Dendragapus fuliginosus
Spotted Coralroot (8)
Corallorhiza maculata
Spotted Knapweed (8)
Centaurea stoebe
Spotted Sandpiper (3)
Actitis macularius
Spreading Dogbane (2)
Apocynum androsaemifolium
Spreading Phlox (3)
Phlox diffusa
Spreading Stonecrop (3)
Sedum divergens
Square-twigged Huckleberry (37)
Vaccinium membranaceum
Starflower Solomon's-plume (6)
Maianthemum stellatum
Steller's Jay (2)
Cyanocitta stelleri
Sticky Gooseberry (4)
Ribes viscosissimum
Subalpine Fir (3)
Abies lasiocarpa
Subalpine Fleabane (2)
Erigeron glacialis
Subalpine Mariposa Lily (14)
Calochortus subalpinus
Subarctic Ladyfern (4)
Athyrium filix-femina
Subserrate Beardtongue (1)
Penstemon subserratus
Sugarstick (3)
Allotropa virgata
Suksdorf's Indian-paintbrush (2)
Castilleja suksdorfii
Sulphur-flower Buckwheat (8)
Eriogonum umbellatum
Sunshine Amanita (8)
Amanita aprica
Swainson's Thrush (1)
Catharus ustulatus
Sweet-scent Bedstraw (1)
Galium triflorum
Sweet-smelling Hydnellum (2)
Hydnellum suaveolens
Sweetbread Mushroom (1)
Clitopilus prunulus
Tall Bluebells (2)
Mertensia paniculata
Tall White Bog Orchid (6)
Platanthera dilatata
Tapered Matchstick Lichen (3)
Pilophorus clavatus
Ternate Biscuitroot (1)
Lomatium triternatum
The Prince (1)
Agaricus augustus
Thimbleberry (9)
Rubus parviflorus
Thymeleaf Speedwell (2)
Veronica serpyllifolia
Tinder Conk (1)
Fomes fomentarius
Tinker's-penny (1)
Hypericum anagalloides
Tobacco Ceanothus (4)
Ceanothus velutinus
Tomentose Suillus (2)
Suillus tomentosus
Tongue-leaf False Luina (4)
Rainiera stricta
Towering Lousewort (2)
Pedicularis bracteosa
Townsend's Chipmunk (2)
Neotamias townsendii
Townsend's Warbler (1)
Setophaga townsendi
Trillium-leaf Woodsorrel (1)
Oxalis trilliifolia
Truncated Laceweaver (1)
Callobius pictus
Tufted Clubrush (1)
Trichophorum cespitosum
Tundra Dwarf Birch (1)
Betula glandulosa
Turkey Vulture (1)
Cathartes aura
Twinflower (24)
Linnaea borealis
Unspotted Cystoderma (2)
Cystoderma amianthinum
Vanilla-leaf (23)
Achlys triphylla
Varied Rag Lichen (1)
Platismatia glauca
Varied Thrush (3)
Ixoreus naevius
Veiled Polypore (2)
Cryptoporus volvatus
Very Dark Omphalina (1)
Arrhenia obscurata
Vine Maple (8)
Acer circinatum
Violet Hedgehog (1)
Hydnellum fuscoindicum
Virginia Strawberry (3)
Fragaria virginiana
Waisted Waxcap (1)
Hygrocybe substrangulata
Wallace's Spikemoss (1)
Selaginella wallacei
Washington Lily (21)
Lilium washingtonianum
West Coast Goldenrod (1)
Solidago elongata
Western Columbine (2)
Aquilegia formosa
Western Dwarf Dogwood (33)
Cornus unalaschkensis
Western False Asphodel (1)
Triantha occidentalis
Western Hemlock (29)
Tsuga heterophylla
Western Honeysuckle (1)
Lonicera caerulea
Western Jacob's-ladder (1)
Polemonium occidentale
Western Joepye-weed (1)
Ageratina occidentalis
Western Larch (6)
Larix occidentalis
Western Painted Suillus (1)
Suillus lakei
Western Pasqueflower (1)
Pulsatilla occidentalis
Western Red-cedar (21)
Thuja plicata
Western Roughleaf Violet (4)
Viola orbiculata
Western Swordfern (7)
Polystichum munitum
Western Toad (14)
Anaxyrus boreas
Western Trillium (20)
Trillium ovatum
Western Turkeybeard (52)
Xerophyllum tenax
Western White Pine (26)
Pinus monticola
Western cauliflower mushroom (2)
Sparassis radicata
White Barrel Bird's Nest (1)
Nidula niveotomentosa
White Chanterelle (3)
Cantharellus subalbidus
White Inside-out-flower (14)
Vancouveria hexandra
White Moth Mullein (1)
Verbascum blattaria
White-crowned Sparrow (1)
Zonotrichia leucophrys
White-flower Hawkweed (1)
Hieracium albiflorum
White-flowered Rhododendron (1)
Rhododendron albiflorum
White-stem Raspberry (2)
Rubus leucodermis
White-veined Wintergreen (6)
Pyrola picta
Whitemarked Cobweb Weaver (1)
Steatoda albomaculata
Winecork Brittlegill (1)
Russula adusta
Winter Chanterelle (2)
Craterellus tubaeformis
Winter Currant (3)
Ribes sanguineum
Wolf Lichen (3)
Letharia vulpina
Wood Rose (1)
Rosa gymnocarpa
Woodland Beardtongue (19)
Nothochelone nemorosa
Woodland Buttercup (1)
Ranunculus uncinatus
Woodland Strawberry (4)
Fragaria vesca
Wrinkled Cortinaria (2)
Cortinarius caperatus
Wrinkled Thimble (1)
Verpa bohemica
Yellow Skunk Cabbage (12)
Lysichiton americanus
Yellow-rumped Warbler (1)
Setophaga coronata
Yellow-spotted Millipede (1)
Harpaphe haydeniana
Yew Club (1)
Clavicorona taxophila
Zoned Phellodon (1)
Phellodon tomentosus
a blind springtail (1)
Hymenaphorura cocklei
a fungus (1)
Pseudoomphalina angelesiana
a fungus (1)
Amanita pantherinoides
a fungus (1)
Aphroditeola olida
a fungus (1)
Atheniella aurantiidisca
a fungus (13)
Aureoboletus mirabilis
a fungus (2)
Boletus rex-veris
a fungus (4)
Boletus smithii
a fungus (1)
Caloboletus rubripes
a fungus (4)
Caloscypha fulgens
a fungus (4)
Calyptospora ornamentalis
a fungus (1)
Cantharellus roseocanus
a fungus (1)
Catathelasma ventricosum
a fungus (5)
Chroogomphus tomentosus
a fungus (3)
Chrysomphalina aurantiaca
a fungus (1)
Clavariadelphus occidentalis
a fungus (1)
Climacocystis borealis
a fungus (1)
Clitocybe glacialis
a fungus (2)
Cortinarius clandestinus
a fungus (2)
Cortinarius pinguis
a fungus (2)
Cronartium harknessii
a fungus (1)
Cuphophyllus lacmus
a fungus (1)
Deconica montana
a fungus (1)
Discina ancilis
a fungus (2)
Donadinia nigrella
a fungus (3)
Exobasidium cordilleranum
a fungus (1)
Gastroboletus ruber
a fungus (1)
Gomphidius oregonensis
a fungus (1)
Gomphus clavatus
a fungus (4)
Guepiniopsis alpina
a fungus (1)
Hydnellum mirabile
a fungus (1)
Hydnellum regium
a fungus (2)
Hygrophorus goetzei
a fungus (1)
Lachnellula arida
a fungus (1)
Lactarius alpinus
a fungus (1)
Lactarius pallescens
a fungus (6)
Laetiporus conifericola
a fungus (1)
Mitrula elegans
a fungus (1)
Nectriopsis violacea
a fungus (1)
Onnia tomentosa
a fungus (1)
Phlebia radiata
a fungus (1)
Ramaria rubripermanens
a fungus (1)
Rhytisma arbuti
a fungus (1)
Rickenella mellea
a fungus (3)
Russula fragrantissima
a fungus (1)
Stropharia hornemannii
a fungus (1)
Taphrina occidentalis
a fungus (5)
Tricholoma murrillianum
a fungus (1)
Truncocolumella citrina
a fungus (3)
Turbinellus kauffmanii
a jumping spider (1)
Habronattus americanus
a jumping spider (1)
Habronattus jucundus
a jumping spider (2)
Pelegrina aeneola
insect-egg slime (2)
Leocarpus fragilis
poke knotweed (2)
Koenigia phytolaccifolia
Federally Listed Species (8)

Species identified by the U.S. Fish and Wildlife Service as potentially occurring within this area based on range and habitat data. These designations do not indicate confirmed presence — they identify habitat where agency actions may require consultation under the Endangered Species Act.

Northern Spotted Owl
Strix occidentalis caurinaThreatened
Oregon Spotted Frog
Rana pretiosaThreatened
Whitebark Pine
Pinus albicaulisThreatened
Gray Wolf
Canis lupus
Monarch
Danaus plexippusProposed Threatened
North American Wolverine
Gulo gulo luscus
Northwestern Pond Turtle
Actinemys marmorataProposed Threatened
Suckley's Cuckoo Bumble Bee
Bombus suckleyiProposed Endangered
Other Species of Concern (11)

Species identified by the U.S. Fish and Wildlife Service as potentially occurring based on range and habitat data.

Bald Eagle
Haliaeetus leucocephalus
Black Swift
Cypseloides niger
California Gull
Larus californicus
Cassin's Finch
Haemorhous cassinii
Chestnut-backed Chickadee
Poecile rufescens rufescens
Evening Grosbeak
Coccothraustes vespertinus
Golden Eagle
Aquila chrysaetos
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Western Grebe
Aechmophorus occidentalis
Western Screech-Owl
Megascops kennicottii cardonensis
Migratory Birds of Conservation Concern (11)

Birds of conservation concern identified by the U.S. Fish and Wildlife Service as potentially occurring based on range data. These species may warrant additional consideration under the Migratory Bird Treaty Act.

Bald Eagle
Haliaeetus leucocephalus
Black Swift
Cypseloides niger
California Gull
Larus californicus
Cassin's Finch
Haemorhous cassinii
Chestnut-backed Chickadee
Poecile rufescens
Evening Grosbeak
Coccothraustes vespertinus
Golden Eagle
Aquila chrysaetos
Olive-sided Flycatcher
Contopus cooperi
Rufous Hummingbird
Selasphorus rufus
Western Grebe
Aechmophorus occidentalis
Western Screech-Owl
Megascops kennicottii
Vegetation (6)

Composition from LANDFIRE 2024 EVT spatial analysis. Ecosystems classified per NatureServe Terrestrial Ecological Systems.

Pacific Northwest Dry Silver Fir Forest
Tree / Conifer · 1,216 ha
GNR49.6%
GNR28.6%
GNR9.8%
GNR5.2%
GNR2.5%
GNR1.6%

Twin Lakes

Twin Lakes Roadless Area

Mt. Hood National Forest, Oregon · 6,055 acres