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Oliver Reservoir SRA
Illustrated Checklist
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Native and Naturalized (272)
Hybrids (5)
- Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensisLast observed by Steven Mlodinow on 13 Jul 2023
- Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkiiLast observed by Steven Mlodinow on 6 Oct 2022
- Barn x Cliff Swallow (hybrid) Hirundo rustica x Petrochelidon pyrrhonotaLast observed by Steven Mlodinow on 26 May 2022
- Spotted x Eastern Towhee (hybrid) Pipilo maculatus x erythrophthalmusLast observed by Steven Mlodinow on 15 May 2023
- Bullock's x Baltimore Oriole (hybrid) Icterus bullockii x galbulaLast observed by Steven Mlodinow on 30 May 2023
Additional Taxa (32)
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Kadynn Hatfield on 21 May 2018
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by William Flack on 19 May 2013
- Western/Eastern Wood-Pewee Contopus sordidulus/virensLast observed by Steven Mlodinow on 14 Sep 2021
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Nathan Pieplow on 15 May 2021
- Cassin's/Western Kingbird Tyrannus vociferans/verticalisLast observed by Neal Ratzlaff on 22 May 2022
- Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmusLast observed by Steven Mlodinow on 15 May 2023
- Bullock's/Baltimore Oriole Icterus bullockii/galbulaLast observed by Steven Mlodinow on 21 Jul 2023
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Steven Mlodinow on 5 Jun 2020