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Kern
Illustrated Checklist
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Native and Naturalized (452)
Exotic: Provisional (1)
Exotic: Escapee (27)
Hybrids (20)
- Snow x Ross's Goose (hybrid) Anser caerulescens x rossiiLast observed by Ken and Brenda Kyle on 4 Dec 2022
- Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanopteraLast observed by Susan Steele on 16 Apr 2021
- Blue-winged Teal x Northern Shoveler (hybrid) Spatula discors x clypeataLast observed by Jonathan Feenstra on 21 Mar 2024
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by KRV CBC on 2 Jan 2022
- Northern Shoveler x Mallard (hybrid) Spatula clypeata x Anas platyrhynchosLast observed by Susan Steele on 16 Dec 2007
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by Susan Steele on 19 Feb 2016
- Mallard x Mexican Duck (hybrid) Anas platyrhynchos x diaziLast observed by Susan Steele on 15 Nov 2023
- Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandicaLast observed by Alison Sheehey on 27 Jan 2018
- Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkiiLast observed by Alison Sheehey on 1 Mar 2024
- Black-chinned x Anna's Hummingbird (hybrid) Archilochus alexandri x Calypte annaLast observed by Danny Tipton on 20 Jul 2023
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Rudyard Wallen on 18 Jan 2024
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Todd Easterla on 28 Jan 2024
- Red-naped x Red-breasted Sapsucker (hybrid) Sphyrapicus nuchalis x ruberLast observed by Elaine White on 11 Feb 2021
- Nuttall's x Ladder-backed Woodpecker (hybrid) Dryobates nuttallii x scalarisLast observed by Sergey Pavlov on 18 May 2023
- Nuttall's x Hairy Woodpecker (hybrid) Dryobates nuttallii x villosusLast observed by Mark Chichester on 5 Jun 1993
- Peregrine x Prairie Falcon (hybrid) Falco peregrinus x mexicanusLast observed by David Blue on 26 Jan 2012
- Western x Mountain Bluebird (hybrid) Sialia mexicana x currucoidesLast observed by Josh McLaughlin on 3 Feb 2023
- White-crowned x White-throated Sparrow (hybrid) Zonotrichia leucophrys x albicollisLast observed by Scott Terrill on 26 Oct 2022
- Townsend's x Hermit Warbler (hybrid) Setophaga townsendi x occidentalisLast observed by Matt Brady on 5 Jun 2011
- Lazuli x Indigo Bunting (hybrid) Passerina amoena x cyaneaLast observed by John Stanek on 7 Jun 2018
Additional Taxa (122)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Nick Varvel on 29 Feb 2024
- Blue-winged/Cinnamon Teal Spatula discors/cyanopteraLast observed by Travis B. Poitras on 29 Feb 2024
- Common/Barrow's Goldeneye Bucephala clangula/islandicaLast observed by The Kingbirder on 28 Dec 2021
- California/Gambel's Quail Callipepla californica/gambeliiLast observed by Mark Chichester on 24 Nov 1991
- Eurasian/African Collared-Dove Streptopelia decaocto/roseogriseaLast observed by Noah Arthur on 13 Nov 2019
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Zachary Loman on 20 Apr 2024
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Bruce Garlinger on 9 Apr 2019
- storm-petrel sp. (dark-rumped) Oceanitidae/Hydrobatidae sp. (dark-rumped)Last observed by Steve Summers on 21 Aug 2023
- storm-petrel sp. (white-rumped) Oceanitidae/Hydrobatidae sp. (white-rumped)Last observed by Annie Meyer on 21 Aug 2023
- Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianumLast observed by Sean Fitzgerald on 12 Jul 2016
- Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillusLast observed by Tom Benson on 29 Jul 2017
- Yellow-bellied/Red-naped Sapsucker Sphyrapicus varius/nuchalisLast observed by Sasha Robinson on 24 Apr 2022
- Nuttall's/Ladder-backed Woodpecker Dryobates nuttallii/scalarisLast observed by Danny Tipton on 1 Jun 2023
- Western/Eastern Wood-Pewee Contopus sordidulus/virensLast observed by Aidan Brubaker on 28 May 2023
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Loren Wright on 29 May 2023
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by Ron Hirst on 28 May 2023
- yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)Last observed by Annie Meyer on 13 Oct 2023
- California/Woodhouse's Scrub-Jay Aphelocoma californica/woodhouseiiLast observed by Lee Sutton on 2 Apr 2024
- Tree/Violet-green Swallow Tachycineta bicolor/thalassinaLast observed by Curtis Marantz on 29 Sep 2015
- Arctic/Kamchatka Leaf Warbler Phylloscopus borealis/examinandusLast observed by Steve Summers on 10 Sep 2007
- Sagebrush/Bell's Sparrow (Sage Sparrow) Artemisiospiza nevadensis/belliLast observed by Alan Bade on 20 Mar 2024
- Red-winged/Tricolored Blackbird Agelaius phoeniceus/tricolorLast observed by Todd Easterla on 29 Mar 2024
- Black-throated Gray/Hermit Warbler Setophaga nigrescens/occidentalisLast observed by Bob Barnes on 3 Jul 2013
- Townsend's/Hermit Warbler Setophaga townsendi/occidentalisLast observed by logan kahle on 4 Oct 2021
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Aidan Brubaker on 28 May 2023