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Greenbrier State Park
Illustrated Checklist
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Native and Naturalized (177)
Hybrids (2)
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Bob Ringler on 19 Nov 2004
- Carolina x Black-capped Chickadee (hybrid) Poecile carolinensis x atricapillusLast observed by Matthew Bell on 8 Apr 2017
Additional Taxa (19)
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Russell Hillsley on 20 Sep 2020
- Carolina/Black-capped Chickadee Poecile carolinensis/atricapillusLast observed by Tim Carney on 27 Nov 2022
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Mark R Johnson on 19 Sep 2020