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Plymouth
Illustrated Checklist
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Native and Naturalized (398)
Exotic: Provisional (1)
Exotic: Escapee (19)
Hybrids (17)
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Jacqueline Modugno on 23 Apr 2024
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Bird Observer Data on 27 Mar 2011
- Wood Duck x Mallard (hybrid) Aix sponsa x Anas platyrhynchosLast observed by Anonymous eBirder on 10 May 2018
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by Marcia Dunham on 8 Feb 2019
- American Wigeon x Mallard (hybrid) Mareca americana x Anas platyrhynchosLast observed by Alan Kneidel on 17 Dec 2019
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Kent Sorenson on 20 Apr 2024
- Gadwall x Green-winged Teal (hybrid) Mareca strepera x Anas creccaLast observed by Nate Marchessault on 11 Apr 2018
- Common Goldeneye x Hooded Merganser (hybrid) Bucephala clangula x Lophodytes cucullatusLast observed by Brian Vigorito on 19 Nov 2022
- Curlew x Pectoral Sandpiper (hybrid) Calidris ferruginea x melanotosLast observed by Soheil Zendeh on 21 Sep 1987
- Black-headed x Ring-billed Gull (hybrid) Chroicocephalus ridibundus x Larus delawarensisLast observed by Alan Kneidel on 6 Nov 2011
- Herring x Great Black-backed Gull (hybrid) Larus argentatus x marinusLast observed by Gary Hantsbarger on 14 Apr 2018
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Dan Burton on 17 Mar 2019
- Herring x Lesser Black-backed Gull (hybrid) Larus argentatus x fuscusLast observed by Lisa Schibley on 17 Jan 2022
- Common x Roseate Tern (hybrid) Sterna hirundo x dougalliiLast observed by Bird Observer Data on 8 Jun 2008
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Lisa Schibley on 8 May 2018
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Anonymous eBirder on 8 May 2023
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Liam Waters on 17 Sep 2023
Additional Taxa (119)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Caitlin Perrigo on 6 Feb 2024
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by Nicholas Schomburg on 9 Apr 2024
- Common/Barrow's Goldeneye Bucephala clangula/islandicaLast observed by Lisa Schibley on 20 Nov 2021
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by PRISCILLA BRADLEY on 23 Jan 2024
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Jerry Flaherty on 12 Oct 2022
- Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandriLast observed by Bird Observer Data on 31 Dec 2006
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Stephen Mullane on 16 Oct 2023
- Red/Red-necked Phalarope Phalaropus fulicarius/lobatusLast observed by Brian Vigorito on 27 Oct 2021
- Long-tailed/Parasitic Jaeger Stercorarius longicaudus/parasiticusLast observed by Mike Sylvia on 22 Aug 2021
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by Alli Smith on 2 Aug 2023
- Cory's/Great Shearwater Calonectris diomedea/Ardenna gravisLast observed by Trenton Voytko on 22 Aug 2023
- Great/Double-crested Cormorant Phalacrocorax carbo/Nannopterum auritumLast observed by Valerie Burdette on 7 Jan 2024
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by Ian Davies on 5 Aug 2010
- Western/Eastern Wood-Pewee Contopus sordidulus/virensLast observed by Marshall Iliff on 25 Sep 2009
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Trenton Voytko on 24 Aug 2023
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by Brian Vigorito on 14 Sep 2023
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Hannah Brewster on 15 Nov 2009
- Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelliLast observed by Brendan Murtha on 18 Sep 2023
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by John Feeney on 12 Feb 2021
- Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow) Ammospiza nelsoni/caudacutaLast observed by John Bean on 28 Oct 2023
- Lincoln's/Swamp Sparrow Melospiza lincolnii/georgianaLast observed by Liam Norton NFC Station on 27 Apr 2021
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Noah Henkenius on 7 May 2023
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Marshall Iliff on 23 May 2021
- Connecticut/MacGillivray's/Mourning Warbler Oporornis/Geothlypis sp. (Mourning-type)Last observed by Bird Observer Data on 11 Oct 2006
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Trenton Voytko on 10 Oct 2023