Species of Greatest Conservation Need
The Idaho State Wildlife Action Plan provides a framework for conserving Species of Greatest Conservation Need and the habitats upon which they depend. It is the state’s guiding document for managing and conserving at-risk species. An integrated approach to implementing this strategy across all Fish and Game programs will reduce potential listings under the Endangered Species Act.
Update (9/28/2016): The Idaho State Wildlife Action Plan (SWAP) has been submitted to the U. S. Fish and Wildlife Service for review. This is a list of species included in the 2016 revision.
| Scientific Name | Common Name | SGCN | State Rank | Global Rank |
|---|---|---|---|---|
| Acipenser transmontanus pop. 1 | White Sturgeon (Kootenai River DPS) | Tier 1 | S1 | G4T1Q |
| Acrolophitus pulchellus | Idaho Point-headed Grasshopper | Tier 2 | S2 | G1G3 |
| Acuclavella Species Group | Harvestman Species Group | Tier 3 | S3Q | GNR |
| Aechmophorus clarkii | Clark's Grebe | Tier 2 | S2B | G5 |
| Aechmophorus occidentalis | Western Grebe | Tier 2 | S2B | G5 |
| Agrilus pubifrons | A Metallic Wood-boring Beetle | Tier 3 | S3 | GNR |
| Allogona lombardii | Selway Forestsnail | Tier 1 | S3 | G1G2 |
| Amblyderus owyhee | An Ant-like Flower Beetle | Tier 2 | S2 | GNR |
| Ameletus tolae | A Mayfly | Tier 3 | S2 | G1G2 |
| Ammodramus savannarum | Grasshopper Sparrow | Tier 3 | S3B | G5 |
| Anaxyrus boreas | Western Toad | Tier 2 | S2 | G4 |
| Anaxyrus woodhousii | Woodhouse's Toad | Tier 2 | S2 | G5 |
| Andrena aculeata | A Miner Bee | Tier 3 | S3 | GNR |
| Anguispira nimapuna | Nimapuna Disc | Tier 3 | S3 | G1 |
| Anodonta californiensis | California Floater | Tier 3 | S3Q | G3Q |
| Apatania barri | A Caddisfly | Tier 3 | SNR | GU |
| Aquila chrysaetos | Golden Eagle | Tier 2 | S3 | G5 |
| Arctopora salmon | A Caddisfly | Tier 3 | S3Q | G1G3 |
| Argiacris amissuli | A Grasshopper | Tier 3 | S1 | G1G3 |
| Argiacris keithi | A Grasshopper | Tier 3 | SH | GH |
| Argiacris militaris | A Grasshopper | Tier 3 | SH | GH |
| Artemisiospiza nevadensis | Sagebrush Sparrow | Tier 2 | S3B | G5 |
| Ashmeadiella sculleni | A Leafcutting Bee | Tier 3 | S2 | GNR |
| Asio flammeus | Short-eared Owl | Tier 3 | S3 | G5 |
| Athene cunicularia | Burrowing Owl | Tier 2 | S2B | G4 |
| Barracris petraea | A Grasshopper | Tier 3 | S2 | G3? |
| Beckerus barri | A Click Beetle | Tier 1 | S1 | GNR |
| Boloria kriemhild | Kriemhild Fritillary | Tier 3 | S2 | G3G4 |
| Bombus fervidus | Yellow Bumble Bee | Tier 3 | S5 | G4? |
| Bombus huntii | Hunt's Bumble Bee | Tier 3 | S5 | G5 |
| Bombus morrisoni | Morrison's Bumble Bee | Tier 1 | S4 | G4G5 |
| Bombus occidentalis | Western Bumble Bee | Tier 1 | S3 | G4 |
| Bombus suckleyi | Suckley's Cuckoo Bumble Bee | Tier 1 | S2 | GU |
| Botaurus lentiginosus | American Bittern | Tier 2 | S1B | G4 |
| Brachylagus idahoensis | Pygmy Rabbit | Tier 2 | S3 | G4 |
| Branchinecta raptor | Raptor Fairy Shrimp | Tier 3 | S1 | G1 |
| Bryelmis idahoensis | A Riffle Beetle | Tier 2 | S3 | GNR |
| Buteo regalis | Ferruginous Hawk | Tier 2 | S3B | G4 |
| Calliopsis barri | A Miner Bee | Tier 2 | S1 | GNR |
| Callophrys johnsoni | Johnson's Hairstreak | Tier 3 | S1 | G3 |
| Capnia lineata | Straight Snowfly | Tier 3 | S1 | G2 |
| Capnia zukeli | Idaho Snowfly | Tier 3 | S1 | G2 |
| Capnura anas | Duckhead Snowfly | Tier 3 | SNR | G1 |
| Caurinella idahoensis | Lolo Mayfly | Tier 2 | S2 | G3 |
| Centrocercus urophasianus | Greater Sage-Grouse | Tier 1 | S3 | G3G4 |
| Cheumatopsyche logani | A Caddisfly | Tier 3 | SNR | G3G5 |
| Chlidonias niger | Black Tern | Tier 2 | S2B | G4 |
| Chordeiles minor | Common Nighthawk | Tier 3 | S4B | G5 |
| Chrysobothris horningi | A Metallic Wood-boring Beetle | Tier 2 | S3 | GNR |
| Chrysobothris idahoensis | A Metallic Wood-boring Beetle | Tier 2 | S3 | GNR |
| Cicindela arenicola | Idaho Dune Tiger Beetle | Tier 2 | S2 | G1G2 |
| Cicindela columbica | Columbia River Tiger Beetle | Tier 3 | S1 | G2 |
| Cicindela decemnotata montevolans | A Tiger Beetle | Tier 2 | S2 | GNR |
| Cicindela plutonica | Alpine Tiger Beetle | Tier 2 | S2 | G3 |
| Cicindela waynei | Bruneau Dune Tiger Beetle | Tier 1 | S1 | G1 |
| Cinygma dimicki | A Mayfly | Tier 3 | S1 | G3 |
| Coccyzus americanus | Yellow-billed Cuckoo | Tier 1 | S1B | G5 |
| Colligyrus greggi | Rocky Mountain Duskysnail | Tier 2 | S3Q | G4 |
| Contopus cooperi | Olive-sided Flycatcher | Tier 3 | S3B | G4 |
| Corynorhinus townsendii | Townsend's Big-eared Bat | Tier 3 | S3 | G4 |
| Cottus extensus | Bear Lake Sculpin | Tier 2 | S3 | G3 |
| Crotaphytus bicinctores | Great Basin Collared Lizard | Tier 3 | S2 | G5 |
| Cryptomastix harfordiana | Salmon Oregonian | Tier 1 | S1 | G3G4 |
| Cryptomastix magnidentata | Mission Creek Oregonian | Tier 1 | S1 | G1 |
| Cryptomastix mullani | Coeur d'Alene Oregonian | Tier 3 | S4Q | G4 |
| Cryptomastix populi | Cottonwood Oregonian | Tier 1 | S1 | G2 |
| Cryptomastix sanburni | Kingston Oregonian | Tier 1 | S3 | G1 |
| Cygnus buccinator | Trumpeter Swan | Tier 2 | S1B,S4N | G4 |
| Cypseloides niger | Black Swift | Tier 2 | S1B | G4 |
| Danaus plexippus | Monarch | Tier 3 | S2 | G4 |
| Discus marmorensis | Marbled Disc | Tier 1 | S2 | G1 |
| Dolichonyx oryzivorus | Bobolink | Tier 2 | S2B | G5 |
| Driloleirus americanus | Giant Palouse Earthworm | Tier 2 | S2 | G1 |
| Entosphenus tridentatus | Pacific Lamprey | Tier 1 | S1 | G4 |
| Eocosmoecus schmidi | A Caddisfly | Tier 3 | S2 | G4 |
| Ephemerella alleni | A Mayfly | Tier 2 | S2 | G4 |
| Euphydryas gillettii | Gillette's Checkerspot | Tier 3 | S2 | G3 |
| Euproserpinus wiesti | Wiest's Primrose Sphinx | Tier 3 | S1 | G3G4 |
| Flabellorhagidia pecki | A Cave Obligate Mite | Tier 2 | S1 | G1G2 |
| Fluminicola gustafsoni | Nez Perce Pebblesnail | Tier 3 | SNR | G2G3 |
| Fluminicola minutissimus | Pixie Pebblesnail | Tier 1 | SH | GH |
| Gavia immer | Common Loon | Tier 2 | S1B,S2N | G5 |
| Glacicavicola bathyscioides | Blind Cave Leiodid Beetle | Tier 1 | S1 | G1G3 |
| Glossosoma idaho | A Caddisfly | Tier 3 | S2 | G2G3 |
| Goereilla baumanni | A Caddisfly | Tier 3 | S1 | G2 |
| Gonidea angulata | Western Ridged Mussel | Tier 3 | S3 | G3 |
| Grammia eureka | A Moth | Tier 3 | SNR | GNR |
| Grus canadensis | Sandhill Crane | Tier 3 | S3B | G5 |
| Gulo gulo | Wolverine | Tier 1 | S1 | G4 |
| Gymnorhinus cyanocephalus | Pinyon Jay | Tier 2 | S3 | G5 |
| Helicodiscus salmonaceus | Salmon Coil | Tier 3 | S2 | G3G4 |
| Hemphillia camelus | Pale Jumping-slug | Tier 3 | S2 | G4 |
| Hemphillia danielsi | Marbled Jumping-slug | Tier 1 | SNR | G2G3 |
| Hemphillia skadei | Skade's Jumping-slug | Tier 2 | S2Q | GNR |
| Hesperapis kayella | A Miner Bee | Tier 3 | S2 | GNR |
| Histrionicus histrionicus | Harlequin Duck | Tier 2 | S1B | G4 |
| Homophylax acutus | A Caddisfly | Tier 3 | SNR | G3G5 |
| Homophylax auricularis | A Caddisfly | Tier 3 | SNR | G1G3 |
| Hoplitis orthognathus | A Mason Bee | Tier 3 | S4 | GNR |
| Hoplitis producta subgracilis | A Mason Bee | Tier 3 | S4 | GNR |
| Hydroprogne caspia | Caspian Tern | Tier 2 Breeding population only | S1B | G5 |
| Hydroscapha redfordi | A Skiff Beetle | Tier 1 | S1 | GNR |
| Hylaeus lunicraterius | A Yellow-masked Bee | Tier 3 | S3 | GNR |
| Idagona westcotti | Idaho Lava Tube Millipede | Tier 2 | S1 | G1G2 |
| Idaholanx fresti | Banbury Springs Limpet | Tier 1 | S1 | G1 |
| Isocapnia palousa | Palouse Snowfly | Tier 3 | S3 | G3 |
| Judolia gaurotoides | A Long-horned Beetle | Tier 3 | S3Q | GNR |
| Larus californicus | California Gull | Tier 2 Breeding population only | S3B, S2N | G5 |
| Larus delawarensis | Ring-billed Gull | Tier 3 Breeding population only | S2B,S2N | G5 |
| Lasionycteris noctivagans | Silver-haired Bat | Tier 2 | S3 | G3G4 |
| Lasiurus cinereus | Hoary Bat | Tier 2 | S3 | G3G4 |
| Lepidomeda copei | Northern Leatherside Chub | Tier 2 | S2 | G3 |
| Leucophaeus pipixcan | Franklin's Gull | Tier 3 | S3B | G4G5 |
| Leucosticte atrata | Black Rosy-Finch | Tier 3 | S2 | G4 |
| Limnephilus challisa | A Caddisfly | Tier 3 | SNR | G1G2 |
| Lithobates pipiens | Northern Leopard Frog | Tier 2 | S2 | G5 |
| Lota lota | Burbot | Tier 1 | S1 | G5 |
| Loxia sinesciuris | Cassia Crossbill | Tier 2 | S1 | |
| Lycaena phlaeas arctodon | Beartooth Copper | Tier 3 | S1 | G5T3T5 |
| Magnipelta mycophaga | Magnum Mantleslug | Tier 1 | S2 | G3 |
| Malenka tina | Tiny Forestfly | Tier 3 | S2 | G3 |
| Manophylax annulatus | A Caddisfly | Tier 3 | S1 | G1G3 |
| Margaritifera falcata | Western Pearlshell | Tier 2 | S2 | G4G5 |
| Marmota caligata | Hoary Marmot | Tier 3 | S4 | G5 |
| Megaleuctra kincaidi | Cascades Needlefly | Tier 3 | S1 | G3 |
| Melanerpes lewis | Lewis's Woodpecker | Tier 2 | S3B | G4 |
| Melanoplus Species Group | Spur-throated Grasshopper Species Group | Tier 3 | S2Q | GNR |
| Microdipodops megacephalus | Dark Kangaroo Mouse | Tier 2 | S1 | G4 |
| Myotis ciliolabrum | Western Small-footed Myotis | Tier 3 | S3 | G5 |
| Myotis lucifugus | Little Brown Myotis | Tier 3 | S3 | G3 |
| Nucifraga columbiana | Clark's Nutcracker | Tier 3 | S2 | G5 |
| Numenius americanus | Long-billed Curlew | Tier 2 | S2B | G5 |
| Ogaridiscus subrupicola | Southern Tightcoil | Tier 3 | S2 | G1 |
| Oncorhynchus mykiss pop. 13 | Steelhead (Snake River Basin DPS) | Tier 1 | S2S3 | G5T2T3Q |
| Oncorhynchus nerka pop. 1 | Sockeye Salmon (Snake River ESU) | Tier 1 | S1 | G5T1Q |
| Oncorhynchus tshawytscha pop. 8 | Chinook Salmon (Snake River spring/summer-run ESU) | Tier 1 | S1 | G5T1Q |
| Oreamnos americanus | Mountain Goat | Tier 3 | S3 | G5 |
| Oreohelix hammeri | Seven Devils Mountainsnail | Tier 1 | S1 | G1 |
| Oreohelix haydeni | Lyrate Mountainsnail | Tier 2 | S1 | G2 |
| Oreohelix idahoensis | Costate Mountainsnail | Tier 2 | S2 | G1 |
| Oreohelix intersum | Deep Slide Mountainsnail | Tier 2 | S1 | G1 |
| Oreohelix jugalis | Boulder Pile Mountainsnail | Tier 3 | S1 | G1G2 |
| Oreohelix peripherica | Deseret Mountainsnail | Tier 2 | SNR | G2 |
| Oreohelix strigosa goniogyra | Striate Mountainsnail | Tier 2 | S1 | G5T1Q |
| Oreohelix tenuistriata | Thin-ribbed Mountainsnail | Tier 1 | SH | GH |
| Oreohelix vortex | Whorled Mountainsnail | Tier 1 | S1 | G1G2 |
| Oreohelix waltoni | Lava Rock Mountainsnail | Tier 1 | S1 | G1G2 |
| Oreortyx pictus | Mountain Quail | Tier 2 | S2 | G5 |
| Oreoscoptes montanus | Sage Thrasher | Tier 2 | S3B | G5 |
| Ovis canadensis | Bighorn Sheep | Tier 2 | S3 | G4 |
| Pacifastacus connectens | Snake River Pilose Crayfish | Tier 3 | SNR | G3G4 |
| Paraleptophlebia falcula | A Mayfly | Tier 3 | SNR | G1G2 |
| Paraleptophlebia jenseni | A Mayfly | Tier 3 | S1 | G2G4 |
| Paraleptophlebia traverae | A Mayfly | Tier 3 | S1 | GH |
| Parameletus columbiae | A Mayfly | Tier 3 | S1 | G2 |
| Pekania pennanti | Fisher | Tier 2 | S2 | G5 |
| Pelecanus erythrorhynchos | American White Pelican | Tier 2 | S3B | G4 |
| Perdita barri | A Miner Bee | Tier 3 | S1 | GNR |
| Perdita salicis euxantha | A Miner Bee | Tier 3 | S3 | G5TNR |
| Perdita wyomingensis sculleni | A Miner Bee | Tier 3 | S2 | GNR |
| Philocasca antennata | A Caddisfly | Tier 3 | S1 | G1G3 |
| Philocasca banksi | A Caddisfly | Tier 3 | S1 | G1G3 |
| Physella columbiana | Rotund Physa | Tier 3 | S1 | G3 |
| Physella natricina | Snake River Physa | Tier 1 | S1 | G1 |
| Picoides albolarvatus | White-headed Woodpecker | Tier 3 | S2 | G4 |
| Planogyra clappi | Western Flat-whorl | Tier 3 | S1 | G4G5 |
| Plegadis chihi | White-faced Ibis | Tier 2 | S2B | G5 |
| Polyphylla devestiva | Lined June Beetle | Tier 2 | S2 | GNR |
| Pristiloma wascoense | Shiny Tightcoil | Tier 3 | S2 | G3 |
| Pristinicola hemphilli | Pristine Pyrg | Tier 2 | S3 | G3 |
| Prophysaon coeruleum | Blue-gray Taildropper | Tier 1 | S1Q | G3G4 |
| Prophysaon dubium | Papillose Taildropper | Tier 1 | S2Q | G4 |
| Prosopium abyssicola | Bear Lake Whitefish | Tier 2 | S1 | G1 |
| Prosopium gemmifer | Bonneville Cisco | Tier 2 | S3 | G3 |
| Prosopium spilonotus | Bonneville Whitefish | Tier 2 | S3 | G3 |
| Psychoglypha smithi | A Caddisfly | Tier 3 | S2 | G1G3 |
| Pyrgulopsis bruneauensis | Bruneau Hot Springsnail | Tier 1 | S1 | G1 |
| Pyrgulopsis pilsbryana | Bear Lake Springsnail | Tier 1 | S1 | G2 |
| Rana luteiventris pop. 3 | Columbia Spotted Frog (Great Basin DPS) | Tier 1 | S2 | G4T2T4 |
| Rangifer tarandus | Caribou | Tier 1 | S1 | G5 |
| Rhyacophila oreia | A Caddisfly | Tier 3 | SNR | G1G3 |
| Rhyacophila robusta | A Caddisfly | Tier 3 | SNR | G2G3 |
| Rhyacophila velora | A Caddisfly | Tier 3 | SNR | G1G2 |
| Securicauda hermani | Rocky Mountain Axetail | Tier 1 | S1 | GNR |
| Sericostriata surdickae | A Caddisfly | Tier 3 | S3 | G3 |
| Soliperla salish | Clearwater Roachfly | Tier 3 | S1 | G2 |
| Soyedina potteri | Idaho Forestfly | Tier 3 | S1 | G2 |
| Speleomaster lexi | A Cave Obligate Harvestman | Tier 2 | S1 | G1G2 |
| Speleomaster pecki | A Cave Obligate Harvestman | Tier 2 | S1 | G1G2 |
| Stagnicola Species Group | Pondsnail Species Group | Tier 3 | SNR | GNR |
| Strix nebulosa | Great Gray Owl | Tier 3 | S3 | G5 |
| Stygobromus idahoensis | Idaho Amphipod | Tier 3 | S1 | G1G2 |
| Sweltsa durfeei | Lolo Sallfly | Tier 3 | SNR | G2 |
| Sweltsa gaufini | Utah Sallfly | Tier 3 | S1 | G3 |
| Synaptomys borealis | Northern Bog Lemming | Tier 3 | S3 | G5 |
| Taenionema umatilla | Umatilla Willowfly | Tier 3 | S1 | G3 |
| Taylorconcha serpenticola | Bliss Rapids Snail | Tier 1 | S1 | G1 |
| Tympanuchus phasianellus | Sharp-tailed Grouse | Tier 2 | S3 | G5 |
| Urocitellus brunneus | Northern Idaho Ground Squirrel | Tier 1 | S2 | G2 |
| Urocitellus canus | Merriam's Ground Squirrel | Tier 2 | S1 | G4 |
| Urocitellus elegans nevadensis | Wyoming Ground Squirrel [Southwest Idaho pop.] | Tier 2 | S3 | G5T4 |
| Urocitellus endemicus | Southern Idaho Ground Squirrel | Tier 1 | S2 | G2T1 |
| Ursus arctos | Grizzly Bear or Brown Bear | Tier 1 | S2 | G4 |
| Utacapnia nedia | Boise Snowfly | Tier 3 | S1 | G3 |