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Sauvie Island (Multnomah Co.)
Illustrated Checklist
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Native and Naturalized (238)
Exotic: Escapee (4)
Hybrids (6)
- Greater White-fronted x Cackling Goose (hybrid) Anser albifrons x Branta hutchinsiiLast observed by Jamie Simmons on 25 Mar 2018
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Andy Frank on 20 Jan 2021
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Peyton Cook on 17 Mar 2023
- Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandicaLast observed by Peyton Cook on 1 Dec 2018
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Peyton Cook on 25 Feb 2024
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Peyton Cook on 16 Dec 2022
Additional Taxa (29)
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Jules Evens on 22 Apr 2022
- Western/Glaucous-winged Gull Larus occidentalis/glaucescensLast observed by Jules Evens on 11 Jul 2021
- large parakeet sp. (former Aratinga sp.) Eupsittula/Aratinga/Thectocercus/Psittacara sp.Last observed by Greg Gillson on 10 Jan 1987
- Tree/Violet-green Swallow Tachycineta bicolor/thalassinaLast observed by Melisa Crosby on 13 Apr 2024