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Hudson
Illustrated Checklist
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Native and Naturalized (333)
Exotic: Escapee (4)
Hybrids (7)
- Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensisLast observed by Kriss Replogle on 5 Jan 2019
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Simon Lane on 28 Feb 2022
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by Dominic Garcia-Hall on 22 Feb 2017
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Michael Stubblefield on 24 Apr 2024
- King x Clapper Rail (hybrid) Rallus elegans x crepitansLast observed by Andrew Marden on 1 Sep 2014
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Simon Lane on 30 Aug 2011
- American Redstart x Northern Parula (hybrid) Setophaga ruticilla x americanaLast observed by Jerald Reb on 16 Jun 2021
Additional Taxa (72)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by John Coyle on 3 Mar 2019
- Horned/Eared Grebe Podiceps auritus/nigricollisLast observed by Pat and Mike Hilliard Ruscigno on 4 Oct 2020
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Hollie Graze on 26 Aug 2020
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Rick Wright on 1 Aug 2022
- Laughing/Franklin's Gull Leucophaeus atricilla/pipixcanLast observed by Dominic Garcia-Hall on 13 Nov 2015
- Great/Double-crested Cormorant Phalacrocorax carbo/Nannopterum auritumLast observed by Rick Wright on 1 Mar 2024
- Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillusLast observed by Rick Wright on 13 Nov 2023
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Michael Turso on 21 Sep 2023
- Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelliLast observed by Vincent Iadevaia on 29 Sep 2022
- Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow) Ammospiza nelsoni/caudacutaLast observed by Milton Collins on 17 Nov 2023
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Rick Wright on 14 Aug 2020
- Connecticut/MacGillivray's/Mourning Warbler Oporornis/Geothlypis sp. (Mourning-type)Last observed by Simon Lane on 14 Sep 2010