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Keith
Illustrated Checklist
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Native and Naturalized (328)
Hybrids (13)
- Snow x Cackling Goose (hybrid) Anser caerulescens x Branta hutchinsiiLast observed by Steven Mlodinow on 5 Jan 2019
- American Wigeon x Northern Pintail (hybrid) Mareca americana x Anas acutaLast observed by Steven Mlodinow on 30 Mar 2023
- Ring-necked Duck x Lesser Scaup (hybrid) Aythya collaris x affinisLast observed by Steven Mlodinow on 21 Mar 2023
- Common Goldeneye x Hooded Merganser (hybrid) Bucephala clangula x Lophodytes cucullatusLast observed by Marshall Iliff on 19 Jan 2004
- Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkiiLast observed by Steven Mlodinow on 17 Oct 2023
- Herring x Great Black-backed Gull (hybrid) Larus argentatus x marinusLast observed by Steven Mlodinow on 14 Nov 2022
- Herring x Lesser Black-backed Gull (hybrid) Larus argentatus x fuscusLast observed by Steven Mlodinow on 27 Dec 2022
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Steven Mlodinow on 26 Apr 2021
- Yellow-bellied x Red-naped Sapsucker (hybrid) Sphyrapicus varius x nuchalisLast observed by Steven Mlodinow on 9 Dec 2020
- Spotted x Eastern Towhee (hybrid) Pipilo maculatus x erythrophthalmusLast observed by logan kahle on 17 Jun 2022
- Western x Eastern Meadowlark (hybrid) Sturnella neglecta x magnaLast observed by Steven Mlodinow on 2 Feb 2019
- Bullock's x Baltimore Oriole (hybrid) Icterus bullockii x galbulaLast observed by Noah Arthur on 22 May 2023
- Lazuli x Indigo Bunting (hybrid) Passerina amoena x cyaneaLast observed by Joel Jorgensen on 8 May 2018
Additional Taxa (70)
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Jethro Runco on 17 Nov 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Mary Clausen on 20 Sep 2021
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Rosemarie Richardson on 7 Sep 2022
- Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianumLast observed by Amy Nichols on 19 May 2023
- Western/Eastern Wood-Pewee Contopus sordidulus/virensLast observed by Lauren Darnold on 31 May 2022
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Caleb Strand on 21 May 2021
- Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmusLast observed by William Flack on 16 Oct 2023
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by Sam Manning on 16 Jan 2021
- MacGillivray's/Mourning Warbler Geothlypis tolmiei/philadelphiaLast observed by David de Rivera Tønnessen on 5 Sep 2021
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Mike Hillman on 31 Jul 2020
- Lazuli/Indigo Bunting Passerina amoena/cyaneaLast observed by David de Rivera Tønnessen on 5 Sep 2021