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Yellowstone NP--Old Faithful area
Illustrated Checklist
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Native and Naturalized (180)
Additional Taxa (31)
- Common/Barrow's Goldeneye Bucephala clangula/islandicaLast observed by Patrick Maurice on 8 Jan 2024
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by James Hebrard on 7 May 2019
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Miranda Kennedy on 29 Sep 2023
- Yellow-bellied/Red-naped Sapsucker Sphyrapicus varius/nuchalisLast observed by Sue Consolo-Murphy on 8 Jun 1982
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by Mary Forrestal on 22 May 2022
- Gray/Dusky Flycatcher Empidonax wrightii/oberholseriLast observed by Sethu Manickavel on 6 Sep 2021
- Loggerhead/Northern Shrike Lanius ludovicianus/borealisLast observed by Larry Langstaff on 5 Nov 2021
- Black-capped/Mountain Chickadee Poecile atricapillus/gambeliLast observed by John G. Phillips on 25 Aug 2021