Change Region
Change Region
Union
Illustrated Checklist
Powered by Macaulay Library and eBirdUpdated ~14 hours ago
Jump to species
View all media
Native and Naturalized (262)
Exotic: Escapee (2)
Hybrids (3)
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Andy Keister on 1 Jan 2021
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Evan Houston on 18 May 2020
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Allen Schweinsberg on 30 May 1981
Additional Taxa (43)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Russell Lamb on 16 Mar 2024
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Joe Gyekis on 11 May 2023
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Matthew Heintzelman on 21 Apr 2024
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Andy Keister on 15 Sep 2019
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by Andy Keister on 15 Sep 2019
- Carolina/Black-capped Chickadee Poecile carolinensis/atricapillusLast observed by Russell Lamb on 31 Mar 2024
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Matthew Heintzelman on 1 May 2018
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Evan Houston on 18 May 2020
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Allison Matlock on 17 Sep 2020