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Cumberland Farms (IBA)
Illustrated Checklist
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Native and Naturalized (250)
Exotic: Escapee (4)
Hybrids (3)
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Bird Observer Data on 13 Mar 2011
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Jim Sweeney on 6 Mar 2024
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by tom aversa on 14 May 1994
Additional Taxa (37)
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by Judd Carlisle on 30 Mar 2024
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Dan Furbish on 5 Jul 2016
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Myer Bornstein on 9 Oct 2011
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Anonymous eBirder on 20 Jul 2023
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Brian Vigorito on 22 Dec 2023
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Pete Jacobson on 13 Jun 2020
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Joe Scott on 29 Jan 2017
- Connecticut/MacGillivray's/Mourning Warbler Oporornis/Geothlypis sp. (Mourning-type)Last observed by Glenn d'Entremont on 7 Oct 2006