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
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
Lithobates pipiens Northern leopard frog G5 S1S2 2019-01-24
Plethodon elongatus Del Norte Salamander G4 S3 2019-01-18
Rana cascadae Cascades Frog G3G4 S3S4 2013-06-20
Rana pretiosa Oregon Spotted Frog G2 S1 2016-04-01

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
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 Finch 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 longicaudus Red Tree Vole G3G4 S3 2013-05-06
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
Urocitellus washingtoni Washington ground squirrel G2 S2? 2019-02-08
Vulpes vulpes necator Sierra Nevada Red Fox G5T1T2 S1 2013-05-08