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Ridgefield NWR
Illustrated Checklist
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Native and Naturalized (225)
Exotic: Provisional (1)
Exotic: Escapee (2)
Hybrids (4)
- Barnacle x Cackling Goose (hybrid) Branta leucopsis x hutchinsiiLast observed by Scott Carpenter on 15 Mar 2011
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Anonymous eBirder on 15 Jan 2022
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Wink Gross on 12 Mar 2002
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Drew Meyer on 8 Jan 2022
Additional Taxa (45)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Heidi Guttschuss on 16 Feb 2018
- Cackling/Canada Goose Branta hutchinsii/canadensisLast observed by Mike & MerryLynn Denny on 13 Apr 2023
- Blue-winged/Cinnamon Teal Spatula discors/cyanopteraLast observed by Carlos Splitstoser on 18 Jul 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Joe Liebezeit on 22 Dec 2023
- Western/Glaucous-winged Gull Larus occidentalis/glaucescensLast observed by Jennifer O'Neill on 21 Jan 2019
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Natanya Epstein on 2 Feb 2022
- diurnal raptor sp. Accipitriformes/Falconiformes sp.Last observed by Molly Elizabeth on 10 Sep 2021