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Cheyenne
Illustrated Checklist
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Native and Naturalized (246)
Exotic: Escapee (1)
Hybrids (3)
- Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanopteraLast observed by mark Keller on 2 Mar 2021
- Bullock's x Baltimore Oriole (hybrid) Icterus bullockii x galbulaLast observed by Jacob C. Cooper on 20 May 2023
- Lazuli x Indigo Bunting (hybrid) Passerina amoena x cyaneaLast observed by mark Keller on 18 May 2018
Additional Taxa (58)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by mark Keller on 20 Jul 2017
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Jeff Olofson on 21 Apr 2024
- Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandriLast observed by mark Keller on 9 Sep 2018
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by mark Keller on 11 Sep 2018
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by mark Keller on 7 Apr 2021
- Yellow-bellied/Red-naped Sapsucker Sphyrapicus varius/nuchalisLast observed by mark Keller on 19 Feb 2019
- Western/Eastern Wood-Pewee Contopus sordidulus/virensLast observed by Nathan Pieplow on 20 Aug 2019
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by mark Keller on 19 Aug 2020
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by mark Keller on 16 Nov 2020
- Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmusLast observed by Shannon Holder on 24 Sep 2022
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by mark Keller on 23 Apr 2019
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by mark Keller on 31 May 2021