Official Government Website

ESA Status

Currently Listed Species

SpeciesScientific Name TypeStatusCritical Habitat
Banbury Springs LimpetIdaholanx frestiInvertebrateEndangeredNone
Bliss Rapids SnailTaylorconcha serpenticolaInvertebrateThreatenedNone
Bruneau Hot SpringsnailPyrgulopsis bruneauensisInvertebrateEndangeredNone
Bull TroutSalvelinus confluentusFishThreatenedDesignated
Canada LynxLynx canadensisMammalThreatenedDesignated
Grizzly BearUrsus arctos horribilisMammalThreatenedProposed
Kootenai River White SturgeonAcipenser transmontanusFishEndangeredDesignated
MacFarlane's four-o'clockMirabilis macfarlaneiPlantThreatenedNone
Northern Idaho Ground SquirrelUrocitellus brunneusMammalThreatenedNone
Slickspot PeppergrassLepidium papilliferumPlantThreatenedProposed
Snake River Basin Steelhead TroutOncorhynchus mykissFishThreatenedDesignated
Snake River Fall-Run Chinook SalmonOncorhynchus tshawytschaFishThreatenedDesignated
Snake River Physa SnailHaitia (Physa) natricinaInvertebrateEndangeredNone
Snake River Sockeye SalmonOncorhynchus tshawytschaFishEndangeredDesignated
Snake River Spring/Summer-Run Chinook SalmonOncorhynchus tshawytschaFishThreatenedDesignated
Spalding's CatchflySilene spaldingiiPlantThreatenedProposed
Ute ladies' -tresses Spiranthes diluvialisPlantThreatenedNone
Woodland Caribou - Southern Selkirk DPSRangifer tarandus ssp. caribouMammalEndangeredDesignated
Whitebark PinePinus albicaulisPlantThreatenedNone
Yellow Billed Cuckoo - Western DPSCoccyzus americanus occidentalisBirdThreatenedDesignated


SpeciesScientific nameTypeStatusYear Petitioned
Columbia Oregonian Cryptomastix hendersoniInvertebrateNot Warranted (2022)2011
Little Brown BatMyotis lucifugusMammalPetitioned2010
Monarch ButterflyDanaus plexippusInsect Candidate2020
Northern Bog Lemming Synaptomys borealisMammalPetitioned2015
Suckley's Cuckoo Bumble BeeBombus suckleyiInsectUnder Review2021
Western Bumble BeeBombus occidentalisInsectPetitioned2021
Western Ridged MusselGonidea angulataInvertebrate Under Review2020

Delisted Species

SpeciesScientific NameTypeReasonYear Delisted
Bald Eagle Haliaeetus leucocephalusBirdRecovered2007
Gray Wolf Canis lupusMammalRecovered2011 (Idaho)
2020 (Federal)
Idaho Springsnail Pyrgulopsis idahoensisInvertebrateTaxonomic Error2007
Peregrine FalconFalco peregrinus anatumBirdRecovered1999
Utah Valvata Snail Valvata utahensisValvata utahensisInvertebrateMore data found2010
Water HowelliaHowellia aquatilisPlantRecovered2021

Removed From Candidate

SpeciesScientific NameTypeYear Removed
Christ's paintbrushCastilleja christiiPlant2012
Columbia spotted frog - Great Basin DPSRana luteiventrisAmphibian2015
Goose Creek milkvetchAstragalus anserinusPlant2015
Greater Sage-GrouseCentrocercus urophasianusBird2015
North American WolverineGulo gulo luscusMammal2020
Packard's milkvetchAstragalus cusickii var. packardiaePlant2014
Southern Idaho ground squirrelUrocitellus endemicusMammal2015


Endangered– A species in danger of extinction throughout all or a significant portion of its range.

Threatened– A species likely to be classified as endangered within the foreseeable future throughout all or a significant portion of its range.

Candidate– A species that is undergoing a review process for possible listing as endangered or threatened.

Proposed Threatened– A species undergoing a review process to determine if it will be listed for protection.

Designated Critical Habitat– A geographic area(s) that contains essential features for the conservation of a species.

Proposed Critical Habitat– A geographic area(s) that is undergoing a review process to determine if it contains essential features for the conservation of a species.

Removed from Candidate List– A species previously identified as a candidate that is no longer undergoing a review process for possible listing.

Delisted– A species that was listed as endangered or threatened but has been removed.

ESU– Evolutionary Significant Unit

DPS– Distinct Population Segment

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