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Wyoming
Illustrated Checklist
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Native and Naturalized (446)
Exotic: Provisional (2)
Exotic: Escapee (14)
Hybrids (37)
- Snow x Cackling Goose (hybrid) Anser caerulescens x Branta hutchinsiiLast observed by Ryan Bushong on 21 Nov 2023
- Ross's x Cackling Goose (hybrid) Anser rossii x Branta hutchinsiiLast observed by Cole Wild on 17 Nov 2021
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Del Nelson on 5 Mar 2019
- Ross's x Canada Goose (hybrid) Anser rossii x Branta canadensisLast observed by Jack Bushong on 20 Mar 2023
- Snow/Ross's x Cackling/Canada Goose (hybrid) Anser caerulescens/rossii x Branta hutchinsii/canadensisLast observed by Jack Bushong on 2 Dec 2022
- Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanopteraLast observed by Louis Kreemer on 7 May 2023
- Blue-winged Teal x Northern Shoveler (hybrid) Spatula discors x clypeataLast observed by Donald Jones on 21 Apr 2021
- Cinnamon Teal x Northern Shoveler (hybrid) Spatula cyanoptera x clypeataLast observed by Doug Whitman on 31 May 2023
- Gadwall x American Wigeon (hybrid) Mareca strepera x americanaLast observed by Tiffany Almonte on 10 Apr 2019
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Todd Jensen on 17 Apr 2021
- Northern Shoveler x Mallard (hybrid) Spatula clypeata x Anas platyrhynchosLast observed by joy keown on 22 Oct 2022
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by Ron Horn on 21 Jan 2024
- Mallard x Mexican Duck (hybrid) Anas platyrhynchos x diaziLast observed by Jack Bushong on 7 Apr 2024
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Mike Resch on 14 Apr 2015
- Redhead x Ring-necked Duck (hybrid) Aythya americana x collarisLast observed by Shawn Billerman on 12 Apr 2014
- Redhead x Lesser Scaup (hybrid) Aythya americana x affinisLast observed by Paul Dougherty on 10 Oct 2020
- Ring-necked Duck x Lesser Scaup (hybrid) Aythya collaris x affinisLast observed by Alison Sheehey on 17 Jul 2012
- Redhead x scaup sp. (hybrid) Aythya americana x marila/affinisLast observed by Flocking Around on 2 May 2017
- Bufflehead x Common Goldeneye (hybrid) Bucephala albeola x clangulaLast observed by Jason Beason on 9 Apr 2020
- Bufflehead x goldeneye sp. (hybrid) Bucephala albeola x clangula/islandicaLast observed by Ron & Judy Johnson on 9 Apr 2020
- Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandicaLast observed by Jack Bushong on 29 Nov 2021
- Bufflehead x Hooded Merganser (hybrid) Bucephala albeola x Lophodytes cucullatusLast observed by Jonathan Lautenbach on 5 Apr 2020
- Common Goldeneye x Hooded Merganser (hybrid) Bucephala clangula x Lophodytes cucullatusLast observed by Christian Hagenlocher on 14 Jan 2020
- goldeneye sp. x Hooded Merganser (hybrid) Bucephala clangula/islandica x Lophodytes cucullatusLast observed by Daniel Stoken on 14 Jan 2024
- Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkiiLast observed by Nate Peterson on 5 Jun 2023
- Glossy x White-faced Ibis (hybrid) Plegadis falcinellus x chihiLast observed by Jack Bushong on 7 Apr 2024
- Yellow-bellied x Red-naped Sapsucker (hybrid) Sphyrapicus varius x nuchalisLast observed by Shawn Billerman on 30 Sep 2015
- Black x Eastern Phoebe (hybrid) Sayornis nigricans x phoebeLast observed by Cole Wild on 25 Jun 2022
- Black-capped x Mountain Chickadee (hybrid) Poecile atricapillus x gambeliLast observed by Nate Peterson on 18 Jul 2023
- Eastern x Mountain Bluebird (hybrid) Sialia sialis x currucoidesLast observed by Tony Lammers on 20 Apr 2022
- Bullock's x Baltimore Oriole (hybrid) Icterus bullockii x galbulaLast observed by Al Zerbe on 31 Aug 2023
- Northern Parula x Yellow-throated Warbler (hybrid) Setophaga americana x dominicaLast observed by Brian Genge on 13 Nov 2022
- Townsend's x Hermit Warbler (hybrid) Setophaga townsendi x occidentalisLast observed by Charles Seniawski on 12 May 2020
- Rose-breasted x Black-headed Grosbeak (hybrid) Pheucticus ludovicianus x melanocephalusLast observed by Bob Hargis on 22 Aug 2023
- Lazuli x Indigo Bunting (hybrid) Passerina amoena x cyaneaLast observed by Shari Kearney on 20 Jul 2023
Additional Taxa (155)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Scott Rager on 30 Sep 2023
- Blue-winged/Cinnamon Teal Spatula discors/cyanopteraLast observed by Laurel Armstrong on 17 Apr 2024
- Eurasian/American Wigeon Mareca penelope/americanaLast observed by Kenneth Stinchcomb on 22 Dec 2023
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Josh Lefever on 12 Apr 2024
- Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandriLast observed by Nate Peterson on 27 Jun 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Elizabeth Schimelpfenig on 31 Oct 2023
- Red/Red-necked Phalarope Phalaropus fulicarius/lobatusLast observed by Jonathan Lautenbach on 18 Sep 2020
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Susan Savage on 15 Oct 2023
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by Donald Jones on 18 Sep 2020
- Laughing/Franklin's Gull Leucophaeus atricilla/pipixcanLast observed by Jedediah Smith on 19 Aug 2022
- Herring/Iceland Gull Larus argentatus/glaucoidesLast observed by Jonathan Lautenbach on 30 Nov 2021
- white-winged gull sp. Larus sp. (white-winged gull sp.)Last observed by Jedediah Smith on 26 Dec 2021
- Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianumLast observed by Jedediah Smith on 20 Nov 2021
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by AMY DANNELS on 7 May 2022
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Shari Kearney on 15 Apr 2024
- Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillusLast observed by Al Zerbe on 31 Aug 2022
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by Philip Steiner on 19 Jul 2021
- Yellow-bellied/Red-naped Sapsucker Sphyrapicus varius/nuchalisLast observed by Evan Buechley on 13 Oct 2023
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Amy Kramer on 3 Sep 2023
- Hammond's/Dusky Flycatcher Empidonax hammondii/oberholseriLast observed by Larry Persico on 16 Sep 2023
- Gray/Dusky Flycatcher Empidonax wrightii/oberholseriLast observed by willie Padin Gonzalez on 16 Sep 2023
- Cassin's/Western Kingbird Tyrannus vociferans/verticalisLast observed by Paul Dougherty on 7 Oct 2023
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by Jonathan Lautenbach on 19 Aug 2018
- Loggerhead/Northern Shrike Lanius ludovicianus/borealisLast observed by Shari Kearney on 27 Mar 2024
- Black-capped/Mountain Chickadee Poecile atricapillus/gambeliLast observed by DEBRA PATLA on 13 Apr 2024
- Tree/Violet-green Swallow Tachycineta bicolor/thalassinaLast observed by George Jones on 26 Jun 2023
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Paul Dougherty on 1 Oct 2023
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Mike Evans on 29 Jan 2024
- White-crowned/White-throated Sparrow Zonotrichia leucophrys/albicollisLast observed by Doug Eddy on 22 Apr 2015
- Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmusLast observed by Bob Spomer on 11 Sep 2023
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by Alexandra Walters on 17 Dec 2023
- MacGillivray's/Mourning Warbler Geothlypis tolmiei/philadelphiaLast observed by DEBRA PATLA on 18 Jun 2022
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Craig Kesselheim on 13 Oct 1985
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Bob Hargis on 10 Aug 2023