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Illustrated Checklist
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Native and Naturalized (326)
Exotic: Provisional (1)
Exotic: Escapee (7)
Hybrids (15)
- Snow x Ross's Goose (hybrid) Anser caerulescens x rossiiLast observed by Justina Raleva on 9 Jan 2022
- Snow x Greater White-fronted Goose (hybrid) Anser caerulescens x albifronsLast observed by Susan Zelek on 27 Dec 2019
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Andrew S. Aldrich on 6 Feb 2013
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Jon G. on 20 Mar 2017
- Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensisLast observed by Chris Gutmann on 2 Jan 2016
- Blue-winged x Cinnamon Teal (hybrid) Spatula discors x cyanopteraLast observed by Jim Lukancic on 25 Mar 2016
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by Susan Zelek on 19 Mar 2023
- American Wigeon x Mallard (hybrid) Mareca americana x Anas platyrhynchosLast observed by Davida Kalina on 21 Jan 2020
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Davida Kalina on 9 Mar 2024
- Redhead x Ring-necked Duck (hybrid) Aythya americana x collarisLast observed by Andrew S. Aldrich on 14 Mar 2013
- Common Goldeneye x Hooded Merganser (hybrid) Bucephala clangula x Lophodytes cucullatusLast observed by Davida Kalina on 7 Nov 2019
- Laughing x Ring-billed Gull (hybrid) Leucophaeus atricilla x Larus delawarensisLast observed by Susan Zelek on 7 May 2019
- Herring x Great Black-backed Gull (hybrid) Larus argentatus x marinusLast observed by Jim Lukancic on 23 Jan 2020
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Colin Dobson on 21 Feb 2022
Additional Taxa (85)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Don Coons on 1 Apr 2024
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by William Pixler on 4 Mar 2024
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Anonymous eBirder on 23 Apr 2024
- Eurasian/African Collared-Dove Streptopelia decaocto/roseogriseaLast observed by Anonymous eBirder on 5 Jun 2021
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by J.A. Smith on 1 Jun 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Paul Clifford on 13 Sep 2021
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Natalee Bozzi on 8 Sep 2023
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by Joyce Schreiber on 18 Sep 2017
- Loggerhead/Northern Shrike Lanius ludovicianus/borealisLast observed by Joel Mccloskey on 14 Jan 2018
- Carolina/Black-capped Chickadee Poecile carolinensis/atricapillusLast observed by Katelyn Shelton on 26 Nov 2021
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Joyce Schreiber on 7 Nov 2021
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Barbara Anderson on 5 Nov 2023
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by Drew Dickert on 12 Jun 2016
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Danny Lee on 6 May 2023
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Mark Freeburg on 22 Sep 2022