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Bradford
Illustrated Checklist
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Native and Naturalized (228)
Exotic: Escapee (1)
Hybrids (2)
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Mark Farman on 11 Mar 2023
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by David Soares on 5 Aug 2008
Additional Taxa (30)
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by David Trently on 24 Jun 2023
- Carolina/Black-capped Chickadee Poecile carolinensis/atricapillusLast observed by robert felton on 15 Jan 2011