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Clarke
Illustrated Checklist
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Native and Naturalized (257)
Exotic: Escapee (4)
Hybrids (2)
- Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensisLast observed by Kelly Krechmer on 2 Mar 2016
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Joe Coleman on 21 Apr 2022
Additional Taxa (50)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Joe Coleman on 26 Jul 2022
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by Chris Gentili on 30 Mar 2024
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Joan Boudreau on 6 Sep 2021
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Richard Jaucian on 20 Apr 2024
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by BJ Little on 2 Aug 2021
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by Benjamin Whitlock on 24 Sep 2021
- Carolina/Black-capped Chickadee Poecile carolinensis/atricapillusLast observed by Michael Rock on 17 Apr 2024
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Matthew O'Donnell on 18 Nov 2012
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Gabriel Ricketts on 6 Feb 2023
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Benjamin Whitlock on 25 May 2020