| Species | Scientific name | Type | Status | Year Petitioned |
|---|---|---|---|---|
| Columbia Oregonian | Cryptomastix hendersoni | Invertebrate | Not Warranted (2022) | 2011 |
| Little Brown Bat | Myotis lucifugus | Mammal | Petitioned | 2010 |
| Monarch Butterfly | Danaus plexippus | Insect | Candidate | 2020 |
| Northern Bog Lemming | Synaptomys borealis | Mammal | Petitioned | 2015 |
| Suckley's Cuckoo Bumble Bee | Bombus suckleyi | Insect | Under Review | 2021 |
| Western Bumble Bee | Bombus occidentalis | Insect | Petitioned | 2021 |
| Western Ridged Mussel | Gonidea angulata | Invertebrate | Under Review | 2020 |
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