SPECIES OF GREATEST INFORMATION NEED  

Oregon’s State Wildlife Action Plan (SWAP) identifies 176 Species of Greatest Information Need (SGIN), including 8 amphibians, 23 birds, 11 mammals, 2 reptiles, 34 fish, 7 plants, 3 algae, and 88 invertebrates. The SWAP SGIN list documents species that require more information to determine whether they should be elevated to Species of Greatest Conservation Need (SGCN) status. 

SGIN are species potentially vulnerable or of concern, but for which current data and understanding are scarce. For these species, some basic information, such as habitat associations and general abundance, is not known. It is, therefore, not possible to determine whether they are truly at risk and should be designated as a SGCN. General areas in which SGIN are lacking basic information include taxonomy, distribution and range, population dynamics or trends, threats or stressors, and habitat requirements. For SGIN, conservation actions should be aimed at filling these data gaps.  

The SGCN and SGIN lists are available for download in Excel table format. 

Data Gap Species List

TaxaCommon NameScientific NameBMCRCPECKMNBRWCWV
AmphibianCalifornia Slender SalamanderBatrachoseps attenuatusKM
AmphibianGreat Basin SpadefootSpea intermontanaEC
AmphibianNorthern Leopard FrogLithobates pipiensNBR
AmphibianOregon Spotted Frog Rana pretiosaKM
AmphibianWestern Tiger Salamander, undetermined subspeciesAmbystoma mavortiumEC
AmphibianWestern ToadAnaxyrus boreasWV
BirdAmerican Three-toed WoodpeckerPicoides dorsalisWC
BirdBlack-backed WoodpeckerPicoides arcticusWC
BirdBlue-gray GnatcatcherPolioptila caeruleaKMNBRWC
BirdBrandt's CormorantPhalacrocorax penicillatusCR
BirdGolden EagleAquila chrysaetosBMCRCPECKMNBRWCWV
BirdLark SparrowChondestes grammacusCPKM
BirdLewis's WoodpeckerMelanerpes lewisWV
BirdOak TitmouseBaeolophus inornatusKM
BirdYellow-billed Cuckoo Coccyzus americanusBMCPECNBRWV
MammalBlack-tailed JackrabbitLepus californicusWV
MammalCamas Pocket GopherThomomys bulbivorusCRWV
MammalGoldbeach Western Pocket GopherThomomys mazama helleriCR
MammalLong-eared MyotisMyotis evotisBMCRCPECKMNBRWCWV
MammalPistol River Pocket GopherThomomys umbrinus detumidusCR
MammalPreble's ShrewSorex prebleiBMECNBR
MammalRocky Mountain Red FoxVulpes vulpes macrouraBM
MammalWestern Small-footed MyotisMyotis ciliolabrumBMECKM
MammalWhite-footed VoleArborimus albipesCRKMWC
MammalWhite-tailed Antelope SquirrelAmmospermophilus leucurusNBR
MammalWolverineGulo guloECWC
MammalYuma MyotisMyotis yumanensisBMCRCPECKMNBRWCWV
FishBlackside or Coastal Speckled DaceRhinichthys nubilisCR
FishBonneville Redside Shiner / Snake Redside ShinerRichardsonius hydrophloxNBR
FishColumbia Mottled SculpinCottus hubbsiNBR
FishColumbia Tui Chub / Malheur Tui ChubSiphateles columbianusNBR
FishGoose Lake LampreyEntosphenus tridentatus ssp.EC
FishHotspring Redside ShinerRichardsonius thermophilusNBR
FishKlamath Lake LampreyEntosphenus tridentatus ssp.
EC
FishKlamath Lake SculpinCottus princepsEC
FishKlamath River LampreyEntosphenus similisEC
FishKlamath Smallscale Sucker (group): Jenny CreekCatostomus rimiculusECKM
FishKlamath Smallscale Sucker (group): Rogue SmallscaleCatostomus rimiculusCRKM
FishLahontan Redside ShinerRichardsonius egregiusNBR
FishLahontan Tui ChubSiphateles obesusNBR
FishLeopard DaceRhinichthys falcatusBMCPNBRWCWV
FishMalheur Mottled Sculpin Cottus bendireiBMNBR
FishMalheur Spring DaceRhinichthys sp., unresolved taxonomyNBR
FishMargined Sculpin Cottus marginatusBMCP
FishMottled SculpinCottus bairdiiBMCRNBRWCWV
FishNorthern (PIT) Roach / California RoachHesperoleucus symmetricusEC
FishOregon Lakes Tui Chub (group): Abert Lake Tui ChubSiphateles oregonensisNBR
FishOregon Lakes Tui Chub (group): Oregon Lakes Tui ChubSiphateles oregonensisNBR
FishOregon Lakes Tui Chub (group): Silver Lake Tui Chub Siphateles oregonensisNBR
FishOregon Lakes Tui Chub (group): Summer Basin Tui ChubSiphateles oregonensisNBR
FishPaiute SculpinCottus beldingiiBMCRCPNBRWCWV
FishPit-Klamath Brook Lamprey Entosphenus lethophagusEC
FishPrickly SculpinCottus asperCRCPECWCWV
FishRedside Shiner / Columbia Redside ShinerRichardsonius balteatusBMCRCPECKMNBRWCWV
FishReticulate SculpinCottus perplexusCRECKMWCWV
FishSheldon Tui Chub (group): Catlow Tui Chub Siphateles eurysomaNBR
FishSheldon Tui Chub (group): Sheldon Tui ChubSiphateles eurysomaNBR
FishShorthead SculpinCottus confususBMCRECNBRWV
FishSiskiyou Marbled SculpinCottus polyporusKM
FishSiuslaw PikeminnowPtychocheilus sp. CR
FishSlender Sculpin Cottus tenuisEC
FishSpeckled DaceRhinichthys osculusBMCRCPECKMNBRWCWV
FishTahoe SuckerCatostomus tahoensisNBR
FishTorrent SculpinCottus rhotheusBMCRNBRWCWV
FishTui ChubSiphateles bicolorECKMNBR
FishTyee Redside Shiner / Siuslaw Redside ShinerRichardsonius siuslawCR
FishTyee Sucker / Coastal LargescaleCatostomus tsiltcoosenesisCRKM
FishUmatilla DaceRhinichthys umatillaBMNBR
FishUmpqua DaceRhinichthys evermanniCR
FishWarner Basin Tui Chub (group): Goose Lake Tui ChubSiphateles bicolorEC
FishWarner Basin Tui Chub (group): Warner Basin Tui Chub/Lightbelly Tui ChubSiphateles bicolorNBR
FishWestern Speckled Dace (group): Klamath Speckled DaceRhinichthys klamathensisKM
Invertebrate An Amphipod (no common name)Stygobromus lanensis WC
Invertebrate An Amphipod (no common name)Stygobromus saltuarisWC
Invertebrate An Amphipod (no common name)Stygobromus wahkeenensisWC
InvertebrateBarren JugaJuga hemphilli hemphilliWCWV
Invertebrate A Beetle (no common name)Stygoporus oregonensisWV
InvertebrateBlue MountainsnailOreohelix strigosa delicataBM
Invertebrate A Caddisfly (no common name) Farula constrictaWC
InvertebrateCave Obligate Amphipod (no common name) Stygonyx courtneyiWC
InvertebrateChace Sideband Monadenia chaceanaWC
InvertebrateColumbia Gorge Oregonian Cryptomastix hendersoniCP
InvertebrateColumbia PebblesnailFluminicola fuscusBMCPWV
InvertebrateColumbia SidebandMonadenia fidelis columbianaWC
InvertebrateCrooked Creek Springsnail Pyrgulopsis intermediaNBR
InvertebrateCrowned TightcoilPristiloma pilsbryiCR
Invertebrate A Crustacean (no common name)Ramellogammarus similimanusWV
InvertebrateDalles JugaJuga hemphilli dallesensisEC
InvertebrateDonner und Blitzen PebblesnailFluminicola insolitusNBR
InvertebrateHaddock's Rhyacophilan Caddisfly Rhyacophila haddockiCR
InvertebrateHarney Basin DuskysnailColligyrus depressusNBR
InvertebrateJohnson's Hairstreak ButterflyCallophrys johnsoniBMKMWCWV
Invertebrate Mann's Mollusk-eating Ground BeetleScaphinotus manniiBM
InvertebrateMardon Skipper ButterflyPolites mardonWC
InvertebrateMarsh WalkerPomatiopsis chaceiCR
InvertebrateMontane Peaclam Pisidium ultramontanumEC
InvertebrateMorrison Bumble Bee Bombus morrisoniBMCPECKMNBRWC
InvertebrateNerite Ramshorn Vorticifex neritoidesCRWCWV
InvertebrateObscure Bumble BeeBombus caliginosusCRECKMWCWV
InvertebrateOregon Giant EarthwormDriloleirus macelfreshiWV
InvertebrateOregon Plant Bug Lygus oregonaeCR
InvertebratePuget OregonianCryptomastix deviaECWCWV
InvertebrateRoth's Blind Ground Beetle Pterostichus rothiCR
InvertebrateSalamander SlugGliabates oregoniusECWC
InvertebrateScott's Apatanian Caddisfly Allomyia scottiWC
InvertebrateSiskiyou Short-horned Grasshopper Chloealtis aspasmaKM
InvertebrateSouthern TightcoilOgaridiscus subrupicolaBM
InvertebrateSuckley Cuckoo Bumble Bee Bombus suckleyiBMCRECWCWV
Invertebrate Umatilla MegomphixMegomphix lutariusBM
InvertebrateVernal Pool Haliplid BeetleApteraliplus parvulusKMNBRWV
InvertebrateWahkeena Falls Flightless Stonefly Zapada wahkeenaWC
InvertebrateYellow Bumble Bee Bombus fervidusBMCRCPECKMNBRWCWV