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Herkimer
Illustrated Checklist
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Native and Naturalized (263)
Exotic: Escapee (7)
Hybrids (3)
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Tom Vawter on 3 Apr 2018
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Greg Lawrence on 27 Feb 2024
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Larry Hall on 15 Sep 2016
Additional Taxa (50)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Lucy Turner on 20 Jan 2022
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by Justin Bower on 15 Aug 2021
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Eileen Wheeler on 27 Jun 2021
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Kevin Topping on 26 Mar 2024
- diurnal raptor sp. Accipitriformes/Falconiformes sp.Last observed by Alison Schroeder on 7 Mar 2022
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Kevin Topping on 25 Aug 2023
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by Elizabeth Frascatore on 5 Oct 2017
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Ken Burdick on 22 Apr 2011
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Sam Beguin on 13 Apr 2024
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Nicholas Sly on 30 Jun 2015
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Kevin Topping on 14 May 2021
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by James Goetz on 9 Oct 2022