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Marblehead Neck Wildlife Sanctuary (Mass Audubon)
Illustrated Checklist
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Native and Naturalized (248)
Exotic: Escapee (1)
Hybrids (3)
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Shilo McDonald on 4 Jun 2022
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Bird Observer Data on 28 May 2003
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Andy Sanford on 5 Sep 2023
Additional Taxa (49)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by John Hoye on 25 May 2016
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by John Young on 4 Jun 2020
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by Andy Sanford on 5 Sep 2023
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Andy Sanford on 12 Apr 2023
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Sam Zhang on 30 May 2022
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by Nicole Werth on 17 May 2021
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Andy Sanford on 10 May 2018
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Rick Heil on 15 May 1980
- Connecticut/MacGillivray's/Mourning Warbler Oporornis/Geothlypis sp. (Mourning-type)Last observed by Rick Heil on 6 Sep 1984
- MacGillivray's/Mourning Warbler Geothlypis tolmiei/philadelphiaLast observed by Lauren Grimes on 17 Sep 2020