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Illustrated Checklist
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Native and Naturalized (292)
Exotic: Provisional (1)
Exotic: Escapee (5)
Hybrids (5)
- Snow x Ross's Goose (hybrid) Anser caerulescens x rossiiLast observed by Randy Morgan on 6 Dec 2019
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Randy Morgan on 23 Jul 2023
- Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensisLast observed by Marianne Gorman on 18 Jan 2024
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by Warren Spreng on 8 Nov 2018
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Alexandria Horne on 15 Mar 2023
Additional Taxa (70)
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by Carol Swisshelm on 18 Feb 2023
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Juan Diego Vargas on 23 May 2021
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Darrell Hance on 18 Oct 2022
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Shantanu Deshmukh on 1 Apr 2024
- Laughing/Franklin's Gull Leucophaeus atricilla/pipixcanLast observed by Daniel DeLapp on 21 Sep 2014
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by David Brinkman on 22 Aug 2023
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Jenna Becker on 31 Mar 2024
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Randy Morgan on 25 Sep 2023
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Jane Finney Blazer on 18 Feb 2024
- White-crowned/White-throated Sparrow Zonotrichia leucophrys/albicollisLast observed by Taylor Grooms on 27 Apr 2024
- LeConte's/Nelson's Sparrow Ammospiza leconteii/nelsoniLast observed by David Brinkman on 14 Oct 2017
- Western/Eastern Meadowlark Sturnella neglecta/magnaLast observed by Stefan Göransson on 22 Sep 1995
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by David Brinkman on 4 Jan 2003
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Randy Morgan on 11 May 2021
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Darrell Hance on 12 Sep 2023