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Davis
Illustrated Checklist
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Native and Naturalized (343)
Exotic: Provisional (1)
Exotic: Escapee (12)
Hybrids (27)
- Snow x Ross's Goose (hybrid) Anser caerulescens x rossiiLast observed by Bryant Olsen on 16 Nov 2015
- Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensisLast observed by Bryant Olsen on 16 Apr 2019
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Bryant Olsen on 3 Feb 2015
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by 🦉Max Malmquist🦉 on 11 Sep 2020
- Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensisLast observed by Kenny Frisch on 10 Mar 2013
- Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanopteraLast observed by Bryant Olsen on 25 May 2023
- Blue-winged Teal x Northern Shoveler (hybrid) Spatula discors x clypeataLast observed by Cheryl Carlile on 26 May 2022
- Cinnamon Teal x Northern Shoveler (hybrid) Spatula cyanoptera x clypeataLast observed by Mike Malmquist on 23 Apr 2022
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Kendall Watkins on 11 Mar 2021
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by Annie Beckstrand on 24 Jun 2023
- Mallard x Mexican Duck (hybrid) Anas platyrhynchos x diaziLast observed by Tristan McKnight on 8 Mar 2024
- Gadwall x Northern Pintail (hybrid) Mareca strepera x Anas acutaLast observed by Mike Hearell on 25 Jan 2020
- Bufflehead x Common Goldeneye (hybrid) Bucephala albeola x clangulaLast observed by Lauri Taylor on 9 Mar 2023
- Bufflehead x goldeneye sp. (hybrid) Bucephala albeola x clangula/islandicaLast observed by Bryant Olsen on 12 Mar 2023
- Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandicaLast observed by Cameron Cox on 18 Nov 2018
- Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkiiLast observed by Colby Baker on 29 Aug 2023
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Mike Hearell on 18 Apr 2020
- Herring x Lesser Black-backed Gull (hybrid) Larus argentatus x fuscusLast observed by Bryant Olsen on 17 Feb 2022
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Ben Johnson on 29 Jan 2021
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Bryant Olsen on 20 Jan 2022
- Glaucous x Glaucous-winged Gull (hybrid) Larus hyperboreus x glaucescensLast observed by Lauri Taylor on 7 Jan 2021
- Glossy x White-faced Ibis (hybrid) Plegadis falcinellus x chihiLast observed by 🦉Max Malmquist🦉 on 13 May 2022
- Yellow-bellied x Red-naped Sapsucker (hybrid) Sphyrapicus varius x nuchalisLast observed by Bryant Olsen on 26 Sep 2022
- Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruberLast observed by Elizabeth Moon on 9 Feb 2024
- Rose-breasted x Black-headed Grosbeak (hybrid) Pheucticus ludovicianus x melanocephalusLast observed by Stephanie Greenwood on 8 May 2013
- Lazuli x Indigo Bunting (hybrid) Passerina amoena x cyaneaLast observed by Bryant Olsen on 26 Jun 2013
Additional Taxa (116)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by William Richards on 18 Mar 2024
- Blue-winged/Cinnamon Teal Spatula discors/cyanopteraLast observed by Miriam Sheffield on 3 Nov 2023
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Darlene Batatian on 31 Mar 2024
- Ring-necked/Green Pheasant Phasianus colchicus/versicolorLast observed by Gage Warner on 8 Nov 2022
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Pamela Cassidy on 24 Apr 2024
- American/Pacific Golden-Plover (Lesser Golden-Plover) Pluvialis dominica/fulvaLast observed by Alexander Feinberg on 2 Nov 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Bryant Olsen on 23 Apr 2024
- Red/Red-necked Phalarope Phalaropus fulicarius/lobatusLast observed by 🦉Max Malmquist🦉 on 12 Nov 2023
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by David Wheeler on 28 Jul 2012
- Long-tailed/Parasitic Jaeger Stercorarius longicaudus/parasiticusLast observed by Logan Smith on 21 Sep 2014
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by David Wheeler on 21 Sep 2007
- Herring/Lesser Black-backed Gull Larus argentatus/fuscusLast observed by Matthew Pendleton on 4 Feb 2016
- Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianumLast observed by Angela Shuman on 15 Oct 2023
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Jennifer Windram on 24 Apr 2024
- Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillusLast observed by Amanda Flynn on 10 Nov 2012
- Yellow-bellied/Red-naped Sapsucker Sphyrapicus varius/nuchalisLast observed by Erin Whitaker on 10 Oct 2015
- diurnal raptor sp. Accipitriformes/Falconiformes sp.Last observed by Annie Beckstrand on 23 Mar 2024
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Bryant Olsen on 24 Aug 2017
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by Quinn Diaz on 17 Sep 2023
- Sagebrush/Bell's Sparrow (Sage Sparrow) Artemisiospiza nevadensis/belliLast observed by Thomas Galaskewicz on 19 May 2006
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by Bryant Olsen on 27 Nov 2023
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Dick Williams on 6 May 2013
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Kyle Fisher on 14 Sep 2021
- Lazuli/Indigo Bunting Passerina amoena/cyaneaLast observed by Tracy Aviary Conservation Science on 24 Aug 2023