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Beaver Brook North Reservation
Illustrated Checklist
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Native and Naturalized (186)
Hybrids (3)
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Lily Morello on 8 Apr 2024
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Jason Forbes on 1 Sep 2011
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Jason Forbes on 5 Jul 2018
Additional Taxa (34)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Lily Morello on 9 Jan 2018
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Robert Jilek on 27 May 2017
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Anonymous eBirder on 17 Apr 2024
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Jason Forbes on 29 May 2018
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by Joey Negreann on 18 Sep 2022
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Ryan Schain on 14 Sep 2017