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Lewis
Illustrated Checklist
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Native and Naturalized (265)
Exotic: Escapee (8)
Hybrids (12)
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Scott Schroeder on 19 Apr 2020
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Terry Martin on 28 Jan 2024
- American Wigeon x Mallard (hybrid) Mareca americana x Anas platyrhynchosLast observed by Cameron Cox on 25 Dec 2022
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Allison Anholt on 24 Nov 2018
- Anna's x Costa's Hummingbird (hybrid) Calypte anna x costaeLast observed by Jeanette Brooks-Milano on 7 Jul 2019
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Bill Tweit on 20 Jan 2024
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by David Poortinga on 8 Feb 2021
- Glaucous x Glaucous-winged Gull (hybrid) Larus hyperboreus x glaucescensLast observed by David Poortinga on 8 Feb 2021
- Spotted x Barred Owl (hybrid) Strix occidentalis x variaLast observed by Christian Hagenlocher on 12 Aug 2019
- Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruberLast observed by Greg Gillson on 12 Mar 2021
- Golden-crowned x White-throated Sparrow (hybrid) Zonotrichia atricapilla x albicollisLast observed by Cameron Cox on 15 Nov 2020
- Townsend's x Hermit Warbler (hybrid) Setophaga townsendi x occidentalisLast observed by Tom Kogut on 23 May 2023
Additional Taxa (72)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Frank Brown on 3 Jul 2020
- Common/Barrow's Goldeneye Bucephala clangula/islandicaLast observed by Dalton Spencer on 26 Jan 2023
- Rock/Band-tailed Pigeon Columba livia/Patagioenas fasciataLast observed by M. Rogers on 15 Apr 2021
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Scott Schroeder on 10 Jan 2013
- Western/Glaucous-winged Gull Larus occidentalis/glaucescensLast observed by David Poortinga on 13 Mar 2023
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Leah Wegener on 17 Feb 2023
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by Dave Slager on 24 Dec 2017
- Red-naped/Red-breasted Sapsucker Sphyrapicus nuchalis/ruberLast observed by Mike & MerryLynn Denny on 3 Jul 2023
- Downy/Hairy Woodpecker Dryobates pubescens/villosusLast observed by Pierce Louderback on 14 Sep 2023
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by Anonymous eBirder on 22 Aug 2023
- Tree/Violet-green Swallow Tachycineta bicolor/thalassinaLast observed by Tim Shelmerdine on 8 Apr 2024
- Varied Thrush/American Robin Ixoreus naevius/Turdus migratoriusLast observed by Randy Hill on 20 Dec 2022
- Black-throated Gray/Townsend's Warbler Setophaga nigrescens/townsendiLast observed by Travis B. Poitras on 17 Aug 2023