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Knox
Illustrated Checklist
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Native and Naturalized (284)
Exotic: Escapee (4)
Hybrids (8)
- Snow x Ross's Goose (hybrid) Anser caerulescens x rossiiLast observed by Benjamin Miller on 8 Dec 2021
- Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensisLast observed by Benjamin Miller on 26 Jan 2024
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Anonymous eBirder on 1 Nov 2017
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Joel Hunt on 21 Mar 2023
- Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensisLast observed by Benjamin Miller on 25 Nov 2019
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by Debbie Hurlbert on 10 Apr 2021
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Isoo O'Brien on 9 Nov 2023
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Brad Imhoff on 12 May 2017
Additional Taxa (60)
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Adrian Lee on 9 Jul 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Cindy Rice on 2 Aug 2023
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Benjamin Miller on 27 Apr 2024
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Benjamin Miller on 30 Mar 2024
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by Gregory Allen on 23 Feb 2022
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Isoo O'Brien on 2 Sep 2023
- Carolina/Black-capped Chickadee Poecile carolinensis/atricapillusLast observed by Anonymous eBirder on 19 Feb 2024
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Miriam Dean-Otting on 25 Feb 2024
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Benjamin Miller on 8 May 2023
- Connecticut/MacGillivray's/Mourning Warbler Oporornis/Geothlypis sp. (Mourning-type)Last observed by Adrian Lee on 17 Sep 2022
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Katherine Noblet on 11 Oct 2023