List of all animals in Columbia County, Oregon

The following is a list of every animal species that has been recorded in Columbia County. I’ve compiled this list from eBird and Audubon Society bird lists, the iNaturalist database, the ODFW website, the Sensitive Species list of the Oregon Biodiversity Information Center, various field guides, museum records, and the observations of myself, my research partner Matt D’Agrosa, and other local researchers.

Click on the following links to jump to a list:

Mammals
Reptiles
Amphibians
Birds
Fish
Mollusks
Crustaceans
Myriapods
Arachnids
Insects

Non-native species are marked with an (I).

Mammals

List compiled from iNaturalist database (iN), the ODFW website (FW), various online field guides and reports (Gd), and the observations of Jon Hakim, Ted Daehnke, and Matt D’Agrosa (Ob).

SpeciesiNFWGdOb
Columbian Black-tailed Deer O. hemionus columbianusXXXX
Columbian White-tailed Deer O. virginianus leucurusXXXX
Roosevelt Elk Cervus canadensis rooseveltiXXXX
Mountain Lion Puma concolorXX
Bobcat Lynx rufusXXXX
Gray Wolf Canis lupus (now extinct in region)Ex
Coyote Canis latransXXXX
Gray Fox Urocyon cinereoargenteus?X
Red Fox Vulpes vulpesXX
Black Bear Ursus americanusXXX
Grizzly Bear Ursus arctos horribilis (now extinct in region)Ex
Raccoon Procyon lotorXXXX
Striped Skunk Mephitis mephitisXXXX
River Otter Lontra canadensisXXXX
Pacific Marten Martes caurina?
American Mink Neovison visonXXX
Long-tailed Weasel Mustela frenataXX
Short-tailed Weasel (Ermine) Mustela erminea?X
Opossum (I) Didelphis virginianaXXXX
Brush Rabbit Sylvilagus bachmaniXXXX
Eastern Cottontail (I) Sylvilagus floridanusXX
Western Gray Squirrel Sciurus griseusXXX
Eastern Gray Squirrel (I) Sciurus carolinensisXX
Eastern Fox Squirrel (I) Sciurus nigerXX
Douglas Squirrel Tamiasciurus douglasiiXXXX
Humboldt’s Flying Squirrel Glaucomys oregonensisXXX
California Ground Squirrel Otospermophilus beecheyiXXXX
Townsend’s Chipmunk Neotamias townsendiiXXX
North American Porcupine Erethizon dorsatumXX
North American Beaver Castor canadensisXXXX
Nutria (Coypu) (I) Myocastor coypusXXXX
Muskrat Ondatra zibethicusXXXX
Bushy-tailed Woodrat Neotoma cinereaXXX
Brown Rat (I) Rattus norvegicusXXX
House Mouse (I) Mus musculusXXX
Deer Mouse Peromyscus maniculatusXXXX
Pacific Jumping Mouse Zapus trinotatusXXXX
Townsend’s Vole Microtus townsendiiXX
Long-tailed Vole Microtus longicaudusXXX
Gray-tailed Vole Microtus canicaudusXX
Creeping (Oregon) Vole Microtus oregoni?X
Western Red-backed Vole Myodes californicusXX
White-footed Vole Arborimus albipesXX
Red Tree Vole Arborimus longicaudusX?
Camas Pocket Gopher Thomomys bulbivorusXX
Western (Mazama) Pocket Gopher Thomomys mazamaXX
Northern Pocket Gopher Thomomys talpoidesX
Mountain Beaver Aplodontia rufaXXX
Vagrant Shrew Sorex vagransXX
Trowbridge’s Shrew Sorex trowbridgiiXX
Dusky (Montane) Shrew Sorex monticolusXX
Baird’s Shrew Sorex bairdiXX
Pacific Water (Marsh) Shrew Sorex bendiriiXX
Shrew-mole Neurotrichus gibbsiiXX
Coast Mole Scapanus orariusXXXX
Townsend’s Mole Scapanus townsendiiXX
Little Brown Myotis Myotis lucifugusXX
Long-eared Myotis Myotis evotisXXXX
Yuma Myotis Myotis yumanensisXX
Long-legged Myotis Myotis volansXX
Fringed Myotis Myotis thysanodesXX
California Myotis Myotis californicusXX
Silver-haired Bat Lasionycteris noctivagansXXX
Big Brown Bat Eptesicus fuscusXXX
Townsend’s Big-eared Bat Corynorhinus townsendii?X
Hoary Bat Aeorestes cinereus?X
California Sea Lion Zalophus californianusXX
Steller’s Sea Lion Eumetopias jubatusXX

Reptiles

List compiled from iNaturalist database (iN), various field guides including the dot locality maps of “Amphibians and Reptiles of the Pacific Northwest” (Gd), and the observations of Jon Hakim, Matt D’Agrosa, and Chris Rombaugh (Ob).

SpeciesiNGdOb
Western Pond Turtle Actinemys marmorataXX
Western Painted Turtle Chrysemys picta belliXXX
Red-eared Slider (I) Trachemys scripta elegansXX
Yellow-bellied Slider (I) Trachemys scripta scriptaXX
Common Snapping Turtle (I) Chelydra serpentinaXX
Western Skink Plestiodon skiltonianusXX
Northwestern Alligator Lizard Elgaria coerulea principisXXX
Northern Rubber Boa Charina bottaeXXX
Western Terrestrial Garter Snake Thamnophis elegansXXX
Red-spotted Garter Snake Thamnophis sirtalis concinnusXXX
Northwestern Garter Snake Thamnophis ordinoidesXXX
Western Yellow-bellied Racer Coluber constrictor mormonXXX
Northwestern Ringneck Snake Diadophis punctatus occidentalisX
Pacific Gopher Snake Pituophis catenifer cateniferX

Amphibians

List compiled from iNaturalist database (iN), various field guides including the dot locality maps of “Amphibians and Reptiles of the Pacific Northwest” (Gd), and the observations of Jon Hakim, Matt D’Agrosa, and Chris Rombaugh (Ob).

SpeciesiNGdOb
Western Red-backed Salamander Plethodon vehiculumXXX
Dunn’s Salamander Plethodon dunniXXX
Oregon Ensatina Ensatina eschscholtzii oregonensisXXX
Clouded Salamander Aneides ferreus?X
Northwestern Salamander Ambystoma gracileXXX
Western Long-toed Salamander Ambystoma macrodactylumXXX
Coastal Giant Salamander Dicamptodon tenebrosusXXX
Columbia Torrent Salamander Rhyacotriton kezeriX?X
Rough-skinned Newt Taricha granulosaXXX
Northern Pacific Treefrog Pseudacris regilla XXX
Northern Red-legged Frog Rana auroraXXX
Oregon Spotted Frog Rana pretiosa?
American Bullfrog (I) Lithobates catesbeianusXXX
Coastal Tailed Frog Ascaphus trueiXX
Western Toad Anaxyrus boreasX

Birds

List compiled from eBird’s Columbia County bar chart (eB), the Eastern Cascades Audubon Society’s county bird lists for Oregon (Au), the iNaturalist database (iN), and the observations of Jon Hakim and Matt D’Agrosa (Ob).

SpecieseBAuiNOb
Great Blue Heron Ardea herodiasXXXX
Green Heron Butorides virescensXXXX
Black-crowned Night Heron Nycticorax nycticoraxX
American Bittern Botaurus lentiginosusXXX
Great Egret Ardea albaXXXX
Snowy Egret Egretta thulaRareRare
Cattle Egret Bubulcus ibisRareRare
Greater Sandhill Crane Grus canadensisXXXX
Virginia Rail Rallus limicolaXXXX
Yellow Rail Coturnicops noveboracensisRareRare
Sora Porzana carolinaXXXX
Common Moorhen Gallinula chloropusRare
American Coot Fulica americanaXXXX
Western Sandpiper Calidris mauriXXX
Baird’s Sandpiper Calidris bairdiiXX
Semipalmated Sandpiper Calidris pusillaXRare
Sanderling Calidris albaXRare
Least Sandpiper Calidris minutillaXXX
Pectoral Sandpiper Calidris melanotosXX
Sharp-tailed Sandpiper Calidris acuminataRareRare
Dunlin Calidris alpinaXX
Curlew Sandpiper Calidris ferrugineaRare
Stilt Sandpiper Calidris himantopusRareRareX
Red Knot Calidris canutusRareRare
Ruff Philomachus pugnaxRareRare
Buff-breasted Sandpiper Tryngites subruficollisRareRare
Spotted Sandpiper Actitis maculariusXXX
Solitary Sandpiper Tringa solitariaXXX
Lesser Yellowlegs Tringa flavipesXXX
Greater Yellowlegs Tringa melanoleucaXXX
Wilson’s Phalarope Phalaropus tricolorXX
Red-necked Phalarope Phalaropus lobatusXX
Red Phalarope Phalaropus fulicariusRare
American Avocet Recurvirostra americanaXRare
Black-necked Stilt Himantopus mexicanusRareRare
Marbled Godwit Limosa fedoaRareRare
Long-billed Curlew Numenius americanusRareRare
Whimbrel Numenius phaeopusRareRare
Short-billed Dowitcher Limnodromus griseusXRareX
Long-billed Dowitcher Limnodromus scolopaceusXXX
Wilson’s Snipe Gallinago delicataXX
Black Turnstone Arenaria melanocephalaRare
Black-bellied Plover Pluvialis squatarolaXX
American Golden-Plover Pluvialis dominicaRareRare
Pacific Golden-Plover Pluvialis fulvaRareRareX
Semipalmated Plover Charadrius semipalmatusXXX
Kildeer Charadrius vociferusXXXX
American White Pelican Pelecanus erythrorhynchosXXX
Brown Pelican Pelecanus occidentalisRare
Double-crested Cormorant Phalacrocorax auritusXXXX
Common Loon Gavia immerXX
Red-throated Loon Gavia stellataXRareX
Pacific Loon Gavia pacificaXRare
Yellow-billed Loon Gavia adamsiiRareRare
Western Grebe Aechmophorus occidentalisXX
Clark’s Grebe Aechmophorus clarkiiXRare
Red-necked Grebe Podiceps grisegenaXRare
Horned Grebe Podiceps auritusXX
Eared Grebe Podiceps nigricollisRareX
Pied-billed Grebe Podilymbus podicepsXXXX
Leach’s Storm-Petrel Oceanodroma leucorhoaRare
Canada Goose Branta canadensisXXXX
Dusky Canada Goose Branta canadensis occidentalisXXXX
Cackling Goose Branta hutchinsiiXXXX
Black Brandt Branta bernicla nigricansXRareX
Domestic Swan Goose (I) Anser cygnoidesX
Domestic Greylag Goose (I) Anser anserX
Greater White-fronted Goose Anser albifronsXXX
Emperor Goose Chen canagicaXRareX
Snow Goose Chen caerulescensXXXX
Ross’s Goose Chen rossiiXRareX
Tundra Swan Cygnus columbianusXXXX
Trumpeter Swan Cygnus buccinatorXRareX
Surf Scoter Melanitta perspicillataXRare
White-winged Scoter Melanitta deglandiXRare
Black Scoter Melanitta americanaRareRare
Common Merganser Mergus merganserXXXX
Red-breasted Merganser Mergus serratorXRare
Hooded Merganser Lophodytes cucullatusXXXX
Bufflehead Bucephala albeolaXXXX
Comon Goldeneye Bucephala clangulaXXXX
Barrow’s Goldeneye Bucephala islandicaXX
Greater Scaup Aythya marilaXXXX
Lesser Scaup Aythya affinisXX
Redhead Aythya americanaXX
Canvasback Aythya valisineriaXXX
Ring-necked Duck Aythya collarisXXXX
Tufted Duck Aythya fuligulararerareX
Ruddy Duck Oxyura jamaicensisXX
Northern Shoveler Spatula clypeataXXXX
Gadwall Mareca streperaXXXX
American Wigeon Mareca americanaXXXX
Eurasian Wigeon Mareca penelopeXRare
Mallard Anas platyrhynchosXXXX
Green-winged Teal Anas carolinensisXXXX
Cinnamon Teal Anas cyanopteraXXX
Blue-winged Teal Anas discorsXXX
Northern Pintail Anas acutaXXX
Long-tailed Duck Clangula hyemalisrarerare
Wood Duck Aix sponsaXXXX
Harlequin Duck Histrionicus histrionicusrarerare
Western Gull Larus occidentalisXX
American Herring Gull Larus smithsonianusXX
Thayer’s (Iceland) Gull Larus thayeriXX
Ring-billed Gull Larus delawarensisXXX
California Gull Larus californicusXXX
Mew (Common) Gull Larus canusXXXX
Slaty-backed Gull Larus schistisagusrarerare
Glaucous-winged Gull Larus glaucescensXX
Glaucous Gull Larus hyperboreusrarerare
Heermann’s Gull Larus heermannirarerare
Sabine’s Gull Xema sabinirarerare
Franklin’s Gull Leucophaeus pipixcanXrare
Bonaparte’s Gull Chroicocephalus philadelphiaXXX
Little Gull Hydrocoloeus minutusrarerare
Black-legged Kittiwake Rissa tridactylararerare
Forster’s Tern Sterna forsterirarerare
Common Tern Sterna hirundorarerare
Caspian Tern Hydroprogne caspiaXX
Parasitic Jaeger Stercorarius parasiticusrarerare
Long-tailed Jaeger Stercorarius longicaudusrarerareX
Cassin’s Auklet Ptychoramphus aleuticusrare
Rock Pigeon (I) Columba liviaXXX
Band-tailed Pigeon Patagioenas fasciataXXXX
Mourning Dove Zenaida macrouraXXXX
White-winged Dove Zenaida asiaticararerare
Eurasian Collared Dove (I) Streptopelia decaoctoXXX
Ruffed Grouse Bonasa umbellusXXXX
Sooty Grouse Dendragapus fuliginosusXXXX
California Quail Callipepla californicaXXXX
Mountain Quail Oreortyx pictusXrareX
Ring-necked Pheasant (I) Phasianus colchicusXXX
Wild Turkey (I) Meleagris gallopavorareX
Bald Eagle Haliaeetus leucocephalusXXXX
Golden Eagle Aquila chrysaetosXX
Osprey Pandion haliaetusXXXX
Northern Harrier Circus hudsoniusXXXX
Rough-legged Hawk Buteo lagopusXXX
Ferruginous Hawk Buteo regalisrare
Red-tailed Hawk Buteo jamaicensisXXXX
Swainson’s Hawk Buteo swainsonirarerareX
Red-shouldered Hawk Buteo lineatusXrareX
Northern Goshawk Accipiter gentilisrarerare
Cooper’s Hawk Accipiter cooperiiXXXX
Sharp-shinned Hawk Accipiter striatusXXXX
White-tailed Kite Elanus leucurusrarerareX
Gyrfalcon Falco rusticolusrare
Peregrine Falcon Falco peregrinusXXX
Prairie Falcon Falco mexicanusrarerare
Merlin Falco columbariusXXX
American Kestrel Falco sparveriusXXXX
Turkey Vulture Cathartes auraXXXX
Barn Owl Tyto albaXXXX
Snowy Owl Bubo scandiacusrare
Great Horned Owl Bubo virginianusXXX
Northern Spotted Owl Strix occidentalis caurinarare
Barred Owl (I) Strix variaXXXX
Short-eared Owl Asio flammeusXX
Long-eared Owl Asio otusrare
Northern Pygmy Owl Glaucidium californicumXXXX
Western Screech Owl Megascops kennicottiiXX
Northern Saw-whet Owl Aegolius acadicusXXX
Belted Kingfisher Megaceryle alcyonXXXX
Downy Woodpecker Picoides pubescensXXXX
Pacific Hairy Woodpecker Dryobates villosus harrisiXXXX
Acorn Woodpecker Melanerpes formicivorusrarerareX
Pileated Woodpecker Dryocopus pileatusXXXX
Red-breasted Sapsucker Sphyrapicus ruberXXXX
Red-naped Sapsucker Sphyrapicus nuchalisrarerare
Yellow-bellied Sapsucker Sphyrapicus variusrarerare
Northern Flicker Colaptes auratusXXXX
Lewis’s Woodpecker Melanerpes lewisrarerare
Anna’s Hummingbird Calypte annaXXXX
Rufous Hummingbird Selasphorus rufusXXXX
Calliope Hummingbird Selasphorus callioperarerare
Vaux’s Swift Chaetura vauxiXX
Black Swift Cypseloides nigerrarerare
Common Nighthawk Chordeiles minorXXX
Barn Swallow Hirundo rusticaXXX
Tree Swallow Tachycineta bicolorXXXX
Cliff Swallow Petrochelidon pyrrhonotaXXX
Purple Martin Progne subisXXX
Violet-green Swallow Tachycineta thalassinaXXX
Bank Swallow Riparia ripariaXXX
Northern Rough-winged Swallow Stelgidopteryx ruficollisXXX
Northern Shrike Lanius borealisXX
Loggerhead Shrike Lanius ludovicianusrare
California Scrub-Jay Aphelocoma californicaXXXX
Steller’s Jay Cyanocitta stelleriXXXX
Blue Jay Cyanocitta cristatarare
Canada “Gray” Jay Perisoreus canadensisXXXX
American Crow Corvus brachyrhynchosXXXX
Common Raven Corvus coraxXXX
Black-billed Magpie Pica hudsoniarare
Swainson’s Thrush Catharus ustulatusXXX
Hermit Thrush Catharus guttatusXXXX
Varied Thrush Ixoreus naeviusXXXX
American Robin Turdus migratoriusXXXX
Western Bluebird Sialia mexicanaXXX
Mountain Bluebird Sialia currucoidesrarerare
Townsend’s Solitaire Myadestes townsendirareX
Northern Mockingbird Mimus polyglottosrarerare
American Dipper Cinclus mexicanusXXXX
European Starling (I) Sturnus vulgarisXXXX
Cedar Waxwing Bombycilla cedrorumXXXX
Bohemian Waxwing Bombycilla garrulusrare
American Pipit Anthus rubescensXX
Brewer’s Blackbird Euphagus cyanocephalusXXXX
Rusty Blackbird Euphagus carolinusrare
Red-winged Blackbird Agelaius phoeniceusXXXX
Yellow-headed Blackbird Xanthocephalus xanthocephalusXX
Bobolink Dolichonyx oryzivorusrarerare
Brown-headed Cowbird Molothrus aterXXXX
Bullock’s Oriole Icterus bullockiiXXXX
Western Meadowlark Sturnella neglectaXXX
Horned Lark Eremophila alpestrisXX
Western Tanager Piranga ludovicianaXXX
Lazuli Bunting Passerina amoenaXX
Indigo Bunting Passerina cyanearare
Black-headed Grosbeak Pheucticus melanocephalusXXXX
Evening Grosbeak Coccothraustes vespertinusXXXX
House Finch Haemorhous mexicanusXXXX
Purple Finch Haemorhous purpureusXXXX
American Goldfinch Spinus tristisXXXX
Lesser Goldfinch Spinus psaltriaXX
Red Crossbill Loxia curvirostraXX
Pine Siskin Spinus pinusXXXX
Brambling Fringilla montifringillararerare
Black-capped Chickadee Poecile atricapillusXXXX
Chestnut-backed Chickadee Poecile rufescensXXXX
Mountain Chickadee Poecile gambelirarerare
Red-breasted Nuthatch Sitta canadensisXXXX
White-breasted Nuthatch Sitta carolinensisXXX
Brown Creeper Certhia americanaXXX
Wrentit Chamaea fasciatararerare
Bushtit Psaltriparus minimusXXXX
Pacific-slope Flycatcher Empidonax difficilisXXX
Hammond’s Flycatcher Empidonax hammondiiXX
Dusky Flycatcher Empidonax oberholserirareX
Willow Flycatcher Empidonax trailliiXXX
Olive-sided Flycatcher Contopus cooperiXX
Western Wood-Pewee Contopus sordidulusXXX
Ash-throated Flycatcher Myiarchus cinerascensrarerare
Western Kingbird Tyrannus verticalisXXX
Tropical Kingbird Tyrannus melancholicusrare
Eastern Kingbird Tyrannus tyrannusrarerare
Say’s Phoebe Sayornis sayararerare
Black Phoebe Sayornis nigricansXrareX
Warbling Vireo Vireo gilvusXXX
Red-eyed Vireo Vireo olivaceusXrareX
Hutton’s Vireo Vireo huttoniXXX
Cassin’s Vireo Vireo cassiniiXXX
Ruby-crowned Kinglet Regulus calendulaXXXX
Golden-crowned Kinglet Regulus satrapaXXXX
Yellow-breasted Chat Icteria virensXX
Nashville Warbler Leiothlypis ruficapillarareXX
MacGillivray’s Warbler Geothlypis tolmieiXXX
Common Yellowthroat Geothlypis trichasXXX
Orange-crowned Warbler Vermivora celataXXX
Wilson’s Warbler Cardellina pusillaXXXX
Yellow Warbler Setophaga petechiaXX
Hermit Warbler Setophaga occidentalisXXX
Townsend’s Warbler Setophaga townsendiXXX
Yellow-rumped Warbler Setophaga coronataXXX
Black-throated Gray Warbler Setophaga nigrescensXX
Palm Warbler Setophaga palmarumrarerare
Black-and-White Warbler Mniotilta variararerareX
Northern Waterthrush Parkesia noveboracensisrarerareX
House Wren Troglodytes aedonXXX
Pacific Wren Troglodytes pacificusXXXX
Rock Wren Salpinctes obsoletusrare
Marsh Wren Cistothorus palustrisXX
Bewick’s Wren Thryomanes bewickiiXXX
House Sparrow (I) Passer domesticusXXXX
Harris’s Sparrow Zonotrichia querulaXrare
Golden-crowned Sparrow Zonotrichia atricapillaXXXX
White-crowned Sparrow Zonotrichia leucophrysXXXX
White-throated Sparrow Zonotrichia albicollisXXX
Clay-colored Sparrow Spizella pallidaXrare
Chipping Sparrow Spizella passerinaXXX
American Tree Sparrow Spizella arboreaXrareX
Brewer’s Sparrow Spizella brewerirarerare
Lincoln’s Sparrow Melospiza lincolniiXXX
Swamp Sparrow Melospiza georgianaXrareX
Song Sparrow Melospiza georgianaXXXX
Savannah Sparrow Passerculus sandwichensis XXX
Fox Sparrow Passerella iliacaXXXX
Vesper Sparrow Pooecetes gramineusXrare
Black-throated Sparrow Amphispiza bilineatarare
Lark Sparrow Chondestes grammacusrare
Dark-eyed (Oregon) Junco Junco hyemalisXXXX
Spotted (Rufous-sided) Towhee Pipilo maculatusXXXX

Fish

List compiled from the iNaturalist database (iN), various print and online field guides (Gd), museum records (Mu), and the observations of Jon Hakim and Matt D’Agrosa (Ob).

SpeciesiNGuMuOb
Reticulate Sculpin Cottus perplexusXX
Prickly Sculpin Cottus asperXX
Shorthead Sculpin Cottus confususXX
Riffle Sculpin Cottus gulosusXX
Mottled Sculpin Cottus bairdiiX
Coastrange Sculpin Cottus aleuticusXX
Torrent Sculpin Cottus rhotheusXX
Chinook Salmon Oncorhynchus tshawytschaXXX
Coho Salmon Oncorhynchus kisutchXXXX
Chum Salmon Oncorhynchus ketaX
Sockeye Salmon Oncorhynchus nerkaX
Coastal Rainbow Trout Oncorhynchus mykiss irideusXXX
Coastal Cutthroat Trout Oncorhynchus clarkii clarkiiXXX
Mountain Whitefish Prosopium williamsoni?
Three-spined Stickleback Gasterosteus aculeatusXX
Sand Roller Percopsis transmontanaXX
Longnose Dace Rhinichthys cataractaeX
Speckled Dace Rhinichthys osculusXX
Leopard Dace Rhinichthys falcatusX
Redside Shiner Richardsonius balteatusX
Peamouth Mylocheilus caurinusXX
Northern Pikeminnow Ptychocheilus oregonensisX
Largescale Sucker Catostomus macrocheilusXX
Bridgelip Sucker Catostomus columbianusX
Eulachon Smelt Thaleichthys pacificusXX
Starry Flounder Platichthys stellatusX
White Sturgeon Acipenser transmontanusXXX
Green Sturgeon Acipenser medirostrisX
Pacific Lamprey Entosphenus tridentatusXX
Western River Lamprey Lampetra ayresiiX
Western Brook Lamprey Lampetra planeriXXX
Pacific Brook Lamprey Lampetra pacificaXX

Mollusks

List compiled from iNaturalist database (iN), the OBIC Sensitive Species list (SS), the guides “Land Snails and Slugs of the Pacific Northwest” and “Slugs and Snails in Oregon” along with other online resources (Gd), and the observations of Jon Hakim and Matt D’Agrosa (Ob).

SpeciesiNSSGdOb
Warty Jumping Slug Hemphillia glandulosaXXX
Dromedary Jumping Slug Hemphillia dromedariusXXX
Scarletback Taildropper Prophysaon vanattaeXXX
Reticulate Taildropper Prophysaon andersoniXXX
Yellow-bordered Taildropper Prophysaon foliolatumXXX
Papillose Taildropper Prophysaon dubiumX
Blue-gray Taildropper Prophysaon coeruleumX
Pacific Banana Slug Ariolimax columbianusXXX
Tillamook Westernslug Hesperarion mariae?
Ryan Lake Slug Zacoleus leonardiX
Evening Field Slug Deroceras hesperium?
Gray Field (Milky) Slug (I) Deroceras reticulatumX
Meadow (Marsh) Slug (I) Deroceras laeveX
Longneck Field Slug (I) Deroceras panormitanumX
Chocolate Arion Slug (I) Arion rufusXXX
Spanish Arion Slug (I) Arion vulgaris?
Western Dusky Arion Slug (I) Arion subfuscusXXX
Brown-banded Arion Slug (I) Arion circumscriptusXX
Darkface Arion Slug (I) Arion distinctusX
Hedgehog Arion Slug (I) Arion intermediusX
Giant Garden (Leopard) Slug (I) Limax maximusXXX
Three-banded Garden Slug (I) Lehmannia valentiana?
Yellow Cellar Slug (I) Limacus flavus?
Greenhouse Slug (I) Milax gagates?
Earshell Slug (I) Testacella haliotidea?
Western Glass Snail Vitrina pellucidaX
Western Thorn Carychium occidentaleX
Chrome Ambershell Catinella rehderiX
Oblique Ambershell Oxyloma nuttallianumXX
Glossy Pillar Cochlicopa lubricaX
Toothless Column Columella edentulaX
Threaded Vertigo Nearctula sp.X
Hoko Vertigo Nearctula sp.?
Columbia Vertigo Vertigo columbianaX
Western Flat-whorl Planogyra clappiX
Lovely Vallonia Vallonia pulchella?
Oregon Forestsnail Allogona townsendianaXXX
Pacific Sideband Monadenia fidelisXXX
Puget Oregonian Cryptomastix deviaXXXX
Pygmy Oregonian Cryptomastix germanaXXX
Northwest Hesperian Vespericola columbianusXXX
Oregon Megomphix Megomphix hemphilliXX
Beaded Lancetooth Ancotrema sportellaXXX
Robust Lancetooth Haplotrema vancouverenseXXX
Pinhead Spot Paralaoma servilisX
Conical Spot Punctum randolphiX
Brown Hive Euconulus fulvusX
Northwest Striate Striatura pugetensisX
Quick Gloss Snail Zonitoides arboreusX
Striated Tightcoil Pristiloma stearnsiX
Denticulate Tightcoil Pristiloma lansingiX
Broadwhorl Tightcoil Pristiloma johnsoniX
European Brown Garden Snail (I) Cornu aspersumX?
Banded Wood (Grove) Snail (I) Cepaea nemoralis?
Dark-bodied Glass Snail (I) Oxychilus draparnaudi?
Cellar Glass Snail (I) Oxychilus cellarius?
Garlic Glass Snail (I) Oxychilus alliarius?
Blue Glass Snail Oxychilus draparnaudiX
Western Glass-Snail Vitrina pellucidaX
Olympia Pebblesnail Fluminicola virensXX
Columbia Pebblesnail Fluminicola columbiana?X
Rotund Physa Physella columbianaX
Nerite Ramshorn Vorticifex neritoidesX
Marsh Ramshorn Planorbella trivolvis?
Pleated Juga Juga pliciferaXX
Acute Bladder Snail Physella acuta
New Zealand Mud Snail (I) Potamopyrgus antipodarum
Western Pearlshell Margaritifera falcataXX
Western Ridged Mussel Gonidea angulataX
Oregon/Western Floater Anodonta oregonensisXX
California Floater Anodonta californiensisX
Asian Clam (I) Corbicula flumineaXX

Crustaceans

List compiled from iNaturalist database (iN), various online resources (Gd), and the observations of Jon Hakim, Matt D’Agrosa, and Jessica Hird (Ob).

SpeciesiNGdOb
Signal Crayfish Pacifastacus leniusculusXXX
Red Swamp Crayfish (I) Procambarus clarkiiX
Sinocorophium alienense (amphipod) (I)X
Heterocypris incongruens (seed shrimp)X?
Simocephalus vetulus (copepod)?
Diaptomus oregonensis (copepod)?
Common Rough Woodlouse (I) Porcellio scaberX?X
Common Shiny Woodlouse (I) Oniscus asellusX?X
Common Striped Woodlouse (I) Philoscia muscorumX?X
Common Pill Woodlouse (I) Armadillidium vulgareX?X

Myriapods

SpeciesiNatGuidesObsv
Yellow-spotted Millipede Harpaphe haydenianaXX
Black Round Millipede Tylobolus uncigerusXX
Pacific Flat-backed Millipede Nearctodesmus insulanusXX
House Centipede Scutigera coleoptrataXX

Arachnids

List compiled from iNaturalist database (iN), various online resources (Gd), and the observations of Jon Hakim, Matt D’Agrosa, and Jessica Hird (Ob).

SpeciesiNGdOb
Yellow Garden Spider Argiope aurantiaXX
Cross Orbweaver Araneus diadematusXX
Goldenrod Crab Spider Misumena vatiaXX
Six-spotted Fishing Spider Dolomedes tritonX
Bronze Jumping Spider Eris militarisX
Zebra Jumping Spider Salticus scenicusX
Johnson’s Jumping Spider Phidippus johnsoniX
Bold Jumping Spider Phidippus audaxX
Proszynski’s Jumping Spider Evarcha proszynskiiX
Sierra Dome Spider Neriene litigiosaX
Giant House Spider Eratigena duellicaX
Common Candy-striped Spider Enoplognatha ovataX
False Black Widow Steatoda grossaX
Pacific Foldingdoor Spider Antrodiaetus pacificusX
European Harvestman Phalangium opilioX
Golden Armored Harvestman Briggsus flavescens X
Psuedoscorpions, order PseudoscorpionesX
Red Velvet Mites, family TrombidiidaeX
Bdelloid Mites, superfamily BdelloideaX

Insects

List compiled from iNaturalist database (iN), various online resources (Gd), and the observations of Jon Hakim, Matt D’Agrosa, and Jessica Hird (Ob).

SpeciesiNGdOb
European Earwig (I) Forficula auriculariaXXX
Putnam’s Cicada Platypedia putnamiX
Salmonfly Cicada Platypedia areolataX
Rocky Mountain Cicada Okanagana occidentalisX
Mountain Cicada Okanagana bellaX
Canadian Cicada Okanagana canadensisX
Gloomy Cicada Okanagana tristisX
Oregon Cicada Okanagana oregonaX
Rust-spotted Cicada Okanagana ferrugomaculataX
Two-spotted Cicada Okanagana vandykeiX
Western Boxelder Bug Boisea rubrolineataX
Brown Marmorated Stink Bug (I) Halyomorpha halysXX
Girdled Bordered Plant Bug Largus cinctusX
Long Thin Plant Bug Megaloceroea recticornisX
Black-spotted Field Planthopper Muirodelphax arvensisX
Wood Grove Planthopper Synecdoche nemoralisX
Western Tapered Planthopper Cixidia fusiformisX
Red-fanned Planthopper Apache degeeriX
Jumping Spider Mimic Planthopper (I) Caliscelis bonelliiX
Abnormal Partridge Bug Scolops abnormisX
Meadow Spittlebug Philaenus spumariusXXX
Douglas Fir Spittlebug Aphrophora permutataX
Oak Treehopper Platycotis vittataX
Aspen Treehopper Palonica tremulataX
Column Treehoppers Telamona sp.X
Buffalo Treehoppers Stictocephala sp.X
Blue-green Sharpshooter Graphocephala atropunctataXX
Rhododendron Leafhopper (I) Graphocephala fennahiX
Eight-lined Leafhopper Gyponana octolineataX
Thickhorn Sharp-headed Leafhopper Draeculacephala crassicornisXXX
Robinson’s Sharp-headed Leafhopper Draeculacephala robinsoniX
Veined Round-headed Leafhopper? Idiocerus nervatus?
Privet Leafhopper (I) Fieberiella floriiX
Northwest Marbled Leafhopper Osbornellus borealisX
Japanese Leafhopper (I) Orientus ishidaeX
Variegated Leafhopper Allygus mixtusX
Aggregating Leafhopper Amblysellus grexX
Mountain Leafhopper Colladonus montanusX
Germinate Leafhopper Colladonus geminatusX
Japanese Maple Leafhopper (I) Japananus hyalinusX
Fruit Tree Leafhopper Zygina flammigeraX
Green Stink Bug Chinavia hilarisX
Uhler’s Stink Bug Chlorochroa uhleriX
Pacific Stink Bug Chlorochroa rossianaX
Conchuela Bug Chlorochroa ligataX
Western Red-shouldered Stink Bug Thyanta pallidovirensX
Green Burgundy Stink Bug Banasa dimidiataX
Common Water Strider Aquarius remigisXX
Bronze Ground Beetle (I) Carabus nemoralisXX
Long-face Carabid Scaphinotus velutinusX
Rugose Stag Beetle Sinodendron rugosumX
Western Sculpted Pine Borer Chalcophora angulicollisX
Common Red Soldier Beetle Rhagonycha fulvaX
Seven-spotted Lady Beetle (I) Coccinella septempunctataX
Convergent Lady Beetle (I) Hippodamia convergensX
Asian Lady Beetle (I) Harmonia axyridisX
Three-banded Lady Beetle Coccinella trifasciataX
Western Polished Lady Beetle Cycloneda politaX
Thistle Tortoise Beetle Cassida rubiginosaX
Spotted Cucumber Beetle Diabrotica undecimpunctataXX
St. John’s Wort Beetle Chrysolina hypericiX
Banded Alder Borer Rosalia funebrisX
Spined Woodborer Trichocnemis spiculatusX
Thorn-tailed Longhorn Beetle Plectrura spinicaudaX
Two-striped Grasshopper Melanoplus bivittatusX
Devastating Grasshopper Melanoplus devastatorX
Red-legged Grasshopper Melanoplus femurrubrumX
Pallid-winged Grasshopper Trimerotropis pallidipennisX
Crackling Forest Grasshopper Trimerotropis verruculataX
Carolina Grasshopper Dissosteira carolinaXX
Cristate Grasshopper Conozoa texanaX
Clear-winged Grasshopper Camnula pellucidaX
Marsh Meadow Grasshopper Pseudochorthippus curtipennisX
Slender Grasshopper Tetrix subulataX
Aztec Pygmy Grasshopper Paratettix aztecusX
Fall Field Cricket Gryllus pennsylvanicusX
West Coast Ant Cricket Myrmecophilus oregonensisX
Striped Ground Cricket Allonemobius fasciatusX
Prairie Tree Cricket Oecanthus argentinusX
Western Tree Cricket Oecanthus californicusX
Snowy Tree Cricket Oecanthus fultoniX
Four-spotted Tree Cricket Oecanthus quadripunctatusX
Riley’s Tree Cricket Oecanthus rileyiX
Square-legged Camel Cricket  Tropidischia xanthostomaX
Fork-tailed Bush Katydid Scudderia furcataXX
Slender Meadow Katydid Conocephalus fasciatusX
Gladiator Meadow Katydid? Orchelimum gladiator?X
Mediterranean Katydid (I) Phaneroptera nanaX
Drumming Katydid (I) Meconema thalassinumX
Steindachner’s Shieldback Neduba steindachneriXX
Tessellated Shieldback Tessellana tessellataX
European Mantis Mantis religiosaXX
Pacific Dampwood Termite Zootermopsis angusticollisX
Western Thatching Ant Formica obscuripesX
European Paper Wasp Polistes dominulaXX
Bald-faced Hornet Dolichovespula maculataXX
Alaskan Yellowjacket Vespula alascensisXX
Great Golden Digger Sphex ichneumoneusX
Mexican Grass-carrying Wasp Isodontia mexicanaX
Speckled Gall Wasp Cynips mirabilisXX
California Horntail Urocerus californicusX
White-horned Horntail Urocerus albicornisX
Western Honey Bee Apis melliferaXX
Ligated Furrow Bee Halictus ligatusX
Yellow-faced Bumble Bee Bombus vosnesenskiiX
Yellow-fronted Bumble Bee Bombus flavifronsX
Black-tailed Bumble Bee Bombus melanopygusX
California Bumble Bee Bombus californicusX
Leaf-mining Sawfly Profenusa inspirataX
Paddle-tailed Darner Aeshna palmataX
Shadow Darner Aeshna umbrosaX
California Darner Rhionaeschna californicaX
Common Green Darner Anax juniusX
Blue-eyed Darner Rhionaeschna multicolorX
Olive Clubtail Stylurus olivaceusX
Pale Snaketail Ophiogomphus severusXX
Beaverpond Baskettail Epitheca canisX
Spiny Baskettail Epitheca spinigeraX
Striped Meadowhawk Sympetrum pallipesX
Autumn Meadowhawk Sympetrum vicinumX
Cardinal Meadowhawk Sympetrum illotumX
Saffron-winged Meadowhawk Sympetrum costiferumX
Western Pondhawk Erythemis collocataX
Widow Skimmer Libellula luctuosaX
Four-spotted Skimmer Libellula quadrimaculataX
Eight-spoted Skimmer Libellula forensisX
Blue Dasher Pachydiplax longipennisX
Common Whitetail Plathemis lydiaXX
Dot-tailed Whiteface Leucorrhinia intactaX
Tule Bluet Enallagma carunculatumX
Northern Bluet Enallagma annexumX
Pacific Forktail Ischnura cervulaX
Western Forktail Ischnura perparvaX
River Jewelwing Calopteryx aequabilis X
Northern Spreadwing Lestes disjunctusX
Giant Mayfly Hexagenia limbataX
Common Green Lacewing Chrysoperla carneaX
Black Soldier Fly Hermetia illucensX
Greater Bee Fly Bombylius majorX
Western Aphideater Eupeodes fumipennisX
Great Spring-Cheilosia Cheilosia grossaXX
Apple Maggot Rhagoletis pomonellaX
Thistle Stem Gall Fly Urophora carduiX
Banded Crane Fly Phoroctenia vittata X
Cold Weather Mosquito Culiseta incidensX
Pale Swallowtail Papilio eurymedonXX
Western Tiger Swallowtail Papilio rutulusXX
Clodius Parnassian Parnassius clodiusX
Cabbage White Pieris rapaeXX
Margined White Pieris marginalisX
Orange Sulpher Colias eurythemeX
Loquin’s Admiral Limenitis lorquiniX
Red Admiral Vanessa atalantaX
Painted Lady Vanessa carduiXX
Morning Cloak Nymphalis antiopaXX
Mylitta Crescent Phyciodes mylittaX
Satyr Comma Polygonia satyrusX
Pacific Fritillary Boloria epithoreX
Hydaspe Fritillary Speyeria hydaspeX
Echo Azure Celastrina echoX
Boisduval’s Blue Icaricia icarioidesX
Woodland Skipper Ochlodes sylvanoidesXX
Silver-spotted Skipper Epargyreus clarusX
Columbian Emerald Nemoria darwiniataX
Large Yellow Underwing Noctua pronubaX
Large Looper Moth Autographa amplaX
Girdler Moth Dargida procinctusX
Pale Beauty Campaea perlataX
Brown-lined Looper Neoalcis californiariaX
Ceanothus Silk Moth Hyalophora euryalusX
Polyphemus Moth Antheraea polyphemusX
Western Sheep Moth Hemileuca eglanterinaX
Ranchman’s Tiger Moth Arctia virginalisX
Virginian Tiger Moth Spilosoma virginicaX
Pink-legged Tiger Moth Spilosoma vestalisX
Isabella Tiger Moth (Woolly Bear) Pyrrharctia isabellaXX
Silver-spotted Tiger Moth Lophocampa argentataX
Spotted Tussock Moth Lophocampa maculataX
Fall Webworm Moth Hyphantria cuneaX
Forage Looper Moth Caenurgina erechteaX
Cinnabar Moth (I) Tyria jacobaeaeX
White-tipped Ctenucha Ctenucha rubroscapusX
Blinded Sphinx Paonias excaecataX
Southwestern Eyed Sphinx Smerinthus ophthalmicaX
Western Tent Caterpillar Malacosoma californicaXX
Celery Leaftier Moth Udea rubigalisX
Morning-glory Plume Moth Emmelina monodactylaX
Strawberry Crown Moth Synanthedon bibionipennisX

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