Documentation forms for Oregon state and global ranks for vertebrate animals are provided in the table below. For detailed information on the ranking process, see Ranking Documentation. For a brief description of the meaning of the rank codes, see Rare Species Ranking Definitions. Many of these assessments are archived at PDXScholar. More information on these species and ranks in other states can be found on NatureServe Explorer.

Tables of Results: Vascular Plants  |  Fungi  |  Vertebrates   |  Invertebrates

Vertebrate Animals
Fish

Scientific Name Common Name Global Rank State Rank Rank Date
Entosphenus lethophagus Pit-Klamath brook lamprey G3G4 S3 2016-07-11
Entosphenus minimus Miller Lake lamprey G3 S2 2013-01-03
Entosphenus tridentatus Pacific lamprey G4 S1S2 2016-07-11
Lampetra pacifica Pacific brook lamprey GNR S2? 2023-01-17
Lampetra similis Klamath lamprey G3 S2 2023-11-03
Oncorhynchus clarkii lewisi Westslope cutthroat trout G4T4 S2 2014-10-15
Oncorhynchus mykiss gairdneri Inland Columbia Basin redband trout G5T4 S2S3 2014-08-26
Oncorhychus mykiss pop. 42 Fort Rock redband trout G5T3Q S2 2015-04-02
Oncorhychus mykiss pop. 44 Chewaucan redband trout G5T3Q S3 2015-02-16
Oregonichthys crameri Oregon chub G3 S3 2013-07-01
Rhinichthys umatilla Umatilla dace G4 S1 2023-11-06

Amphibians

Scientific Name Common Name Global Rank State Rank Rank Date
Ambystoma mavortium melanosticum Blotched tiger salamander G5T4 S3? 2019-01-18
Anaxyrus boreas Boreal toad G4 S4S5 2023-10-18
Aneides ferreus Clouded salamander G3G4 S3S4 2019-01-18
Aneides flavipunctatus Black salamander G4 S2 2013-05-13
Batrachoseps attenuatus California slender salamander G5 S3 2023-12-01
Batrachoseps wrighti Oregon slender salamander G3 S3 2010-02-21
Dicamptodon copei Cope's giant salamander G3 S2? 2022-10-20
Lithobates pipiens Northern leopard frog G5 S1 2023-12-01
Plethodon elongatus Del Norte salamander G4 S3 2019-01-18
Plethodon larselli Larch Mountain salamander G2G3 S2? 2022-11-01
Rana cascadae Cascades frog G3 S3 2022-11-01
Rana pretiosa Oregon spotted frog G2 S1S2 2023-10-19
Rhyacotriton cascadae Cascade torrent salamander G3 S2S3 2022-11-09
Rhyacotriton kezeri Columbia torrent salamander G2G3 S2S3 2022-11-09
Rhyacotriton variegatus Southern torrent salamander G3? S3? 2022-11-09
Spea intermontana Great Basin spadefoot G5 S5 2023-10-25

Reptiles

Scientific Name Common Name Global Rank State Rank Rank Date
Crotalus oreganus Western rattlesnake G5 S5 2016-03-31
Lampropeltis getula Common kingsnake G5 S3 2010-04-21
Lampropeltis zonata California mountain kingsnake G4G5 S3S4 2010-06-17
Masticophis taeniatus Striped whipsnake G5 S3S4 2010-07-08
Phrynosoma hernandesi Short-horned lizard G5 S3 2013-07-25
Sonora semiannualata Ground snake G5 S3 2016-03-31

Birds

Scientific Name Common Name Global Rank State Rank Rank Date
Accipiter cooperi Cooper's hawk G5 S4 2012-09-27
Accipiter gentilis Northern goshawk G5 S3S4 2013-04-10
Accipeter striatus Sharp-shinned hawk G5 S4 2016-03-28
Aechmophorus occidentalis Western grebe G5 S4B 2016-03-22
Agelaius tricolor Tricolored blackbird G1G2 S2B 2019-02-12
Anthus rubescens American pipit G5 S4 2013-03-04
Aquila chrysaetos Golden eagle G5 S4 2024-01-18
Amphispiza bilineata Black-throated sparrow G5 S3 2016-07-12
Artemisiospiza nevadensis Sagebrush sparrow G5 S4B 2016-03-23
Asio flemmeus Short-eared owl G5 S3 2013-04-12
Asio otus Long-eared owl G5 S3S4 2019-03-11
Baeolophous inornatus Oak titmouse G4 S3S4 2019-03-11
Baeolophus ridgwayi Juniper titmouse G5 S3 2012-03-14
Brachyramphus marmoratus Marbled murrelet G3 S2 2016-03-24
Branta bernicla Brant G5 S2N 2016-04-06
Branta canadensis occidentalis Dusky Canada goose G5T3 S3N 2016-04-05
Branta hutchinsii leucopareia Aleutian Canada goose G5T3 S3N 2016-04-05
Butorides viriscens Green heron G5 S4 2012-03-14
Centrocercus urophasianus Greater sage-grouse G3G4 S2 2019-01-31
Cerorhinca monocerata Rhinoceros auklet G5 S2B 2016-03-24
Charadrius nivosus nivosus Western snowy plover G3T3 S2 2013-04-30
Circus cyaneus Northern harrier G5 S3 2012-10-19
Contopus cooperi Olive-sided flycatcher G4 S2S3B 2013-04-29
Coturnicops noveboracensis Yellow rail G4 S2B 2016-03-15
Cypseloides niger Black swift G4 S2?B 2016-03-16
Dendragapus obscurus Dusky grouse G4 S3 2012-10-05
Dolichonyx oryzivorus Bobolink G5 S2B 2016-03-16
Dryobates albolarvatus White-headed woodpecker G4 S3 2023-01-16
Egretta thula Snowy egret G5 S2B 2016-03-17
Empidonax traillii adastus Willow flycatcher G5T5 S3B 2013-04-19
Empidonax traillii brewsteri Little willow flycatcher G5T3T4 S3B 2013-04-19
Eremohpila alpestris strigata Streaked horned lark G5T2 S2B 2016-03-18
Falco peregrinus anatum American peregrine falcon G4T4 S3 2016-04-11
Fratercula cirrhata Tufted puffin G5 S1 2010-04-16
Gymnorhinus cyanocephalus Pinyon jay G5 S3 2016-07-12
Haemorhous cassinii Cassin's finch G5 S4 2016-07-13
Haemorhous purpureus Purple fnch G5 S4? 2016-07-12
Histrionicus histrionicus Harlequin duck G4 S2B,S3N 2016-03-22
Lanius ludovicianus Loggerhead Shrike G4 S3B,S2N 2012-10-05
Leucosticte astrata Black rosy-finch G4 S2B 2019-03-06
Melanerpes lewis Lewis' woodpecker G4 S3B,S2?N 2023-10-19
Oceanodroma leucorhoa Leach's storm-petrel G5 S4 2016-06-23
Oreortyx pictus Mountain quail G5 S3S4 2013-04-22
Oreoscoptes montanus Sage thrasher G5 S3S4 2013-06-20
Phalacrocorax pelagicus Pelagic cormorant G5 S3 2016-06-23
Picoides albolarvatus White-headed woodpecker G4 S2 2014-10-15
Picoides arcticus Black-backed woodpecker G5 S3 2016-07-12
Picoides dorsalis American Three-toed woodpecker G5 S3 2016-07-12
Pipilo chlorulus Green-tailed towhee G5 S3S4 2016-07-12
Pooecetes gramineus affinis Oregon vesper sparrow G5T3? S1B 2020-02-18
Psiloscops flammeolus Flammulated owl G4 S3B 2019-03-07
Regulus satrapa Golden-crowned kinglet G5 S3 2013-06-20
Selasphorus calliope Calliope hummingbird G5 S4 2016-07-12
Selasphorus rufus Rufous hummingbird G5 S4 2016-07-12
Selasphorus sasin Allen's hummingbird G5 S3S4 2016-07-12
Spizella breweri Brewer's sparrow G5 S3 2013-06-20
Strix occidentalis caurina Northern spotted owl G3G4T3 S2 2015-12-14
Sphyrapicus thyroideus Williamson's sapsucker G5 S3S4B, S3N 2016-07-12
Vireo olivaceus Red-eyed vireo G5 S3S4B 2013-03-14

Mammals

Scientific Name Common Name Global Rank State Rank Rank Date
Alces alces Moose G5 S3 2022-06-23
Arborimus albipes White-footed vole G3G4 S3S4 2022-10-19
Arborimus longicaudus Red tree vole G3G4 S2S3 2022-10-19
Arborimus longicaudus pop. 1 Red tree vole North Oregon Coast DPS G2G3TNR S1S2 2022-11-04
Brachylagus idahoensis Pygmy rabbit G4 S2 2016-04-01
Canis lupus Gray wolf G5 S1S2 2012-03-14
Erethizon dorsatum Common porcupine G5 S3S4 2019-05-10
Eumetopias jubatus Northern sea lion G3 S3 2019-01-25
Lasionycteris noctivigans Silver-haired bat G5 S3S4 2013-05-06
Lepus townsendii White-tailed jackrabbit G5 S2? 2021-01-06
Myotis lucifugus Little brown myotis G3 S3 2013-05-08
Ochotona princeps American pika G5 S2S3 2019-02-01
Ovis canadensis canadensis Rocky Mountain bighorn sheep G4T4 S2 2016-07-13
Pekania pennanti Fisher G5 S1S2 2016-05-02
Parastrellus hesperus Canyon bat G5 S3 2016-07-13
Sorex preblei Preble's shrew   S3 2023-10-26
Thomomys bulbivorus Camas pocket gopher G3G4 S3S4 2022-10-19
Urocitellus washingtoni Washington ground squirrel G2 S2? 2022-10-19
Vulpes vulpes necator Sierra Nevada red fox G5T1T2 S1 2013-05-08