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Clark
Illustrated Checklist
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Native and Naturalized (301)
Exotic: Escapee (4)
Hybrids (8)
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Alexandria Horne on 12 May 2022
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Tom and Margaret on 31 Mar 2020
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by Tracy The Birder on 7 Sep 2022
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Doug Overacker on 21 Feb 2024
- Gadwall x Green-winged Teal (hybrid) Mareca strepera x Anas creccaLast observed by John Shrader on 12 Dec 2020
- Common Goldeneye x Hooded Merganser (hybrid) Bucephala clangula x Lophodytes cucullatusLast observed by eric elvert on 26 Jan 2020
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Doug Overacker on 7 May 2013
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Brian Menker on 8 May 2016
Additional Taxa (48)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Laura Jenkins on 30 Oct 2019
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Doug Overacker on 8 Jan 2024
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by eric elvert on 15 Oct 2020
- Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianumLast observed by Doug Overacker on 16 Aug 2023
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Doug Overacker on 4 Nov 2023
- Downy/Hairy Woodpecker Dryobates pubescens/villosusLast observed by Beatrix Kohlhaas on 15 Apr 2024
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Doug Overacker on 12 Sep 2020
- Carolina/Black-capped Chickadee Poecile carolinensis/atricapillusLast observed by Charlot Wade on 18 Feb 2013
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Douglas Bohanan on 13 May 2017
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by David Bailey on 3 Oct 2021