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Sheridan
Illustrated Checklist
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Native and Naturalized (280)
Hybrids (3)
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by Ryan Williamson on 29 Apr 2016
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Ken Plourde on 13 May 2020
- Western x Clark's Grebe (hybrid) Aechmophorus occidentalis x clarkiiLast observed by David de Rivera Tønnessen on 21 Jun 2019
Additional Taxa (55)
- Blue-winged/Cinnamon Teal Spatula discors/cyanopteraLast observed by Bridger Donaldson on 9 Sep 2022
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Miles Zollman on 14 Apr 2024
- Black-bellied Plover/golden-plover sp. Pluvialis sp.Last observed by Harrison Hepding on 17 Aug 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Harrison Hepding on 17 Aug 2023
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Harrison Hepding on 17 Aug 2023
- diurnal raptor sp. Accipitriformes/Falconiformes sp.Last observed by Sean Fitzgerald on 12 Apr 2017
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by S Koenen on 27 May 2023
- new world goldfinch sp. Spinus sp. (goldfinch sp.)Last observed by victor fesolowitz on 28 May 2023
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Ryan Williamson on 28 Sep 2017
- Bullock's/Baltimore Oriole Icterus bullockii/galbulaLast observed by Christian Walker on 21 Jun 2022
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by Dan Ellison on 13 Sep 2017
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Daniel Casey on 29 May 2021