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. 

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
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

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 S4 2013-06-20
Aneides ferreus Clouded salamander G3G4 S3S4 2013-05-09
Aneides flavipunctatus Black salamander G4 S2 2013-05-13
Batrachoseps attenuatus California slender salamander G5 S3 2013-06-13
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 S1S2 2019-01-24
Plethodon elongatus Del Norte salamander G4 S3 2019-01-18
Plethodon larselli Larch Mountain salamander G2G3 S2? 2022-11-01
Rana cascadae Cascades frog G3G4 S3 2022-11-01
Rana pretiosa Oregon spotted frog G2 S1 2016-04-01
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

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 S3 2013-04-11
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 S3 2012-10-01
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 S2B,S2?N 2013-04-22
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
Arborimus albipes White-footed vole G3G4 S3S4 2022-10-19
Arborimus longicaudus Red tree vole G3G4 S3 2013-05-06
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
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