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Sussex
Illustrated Checklist
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Native and Naturalized (318)
Exotic: Escapee (11)
Hybrids (11)
- Greater White-fronted x Canada Goose (hybrid) Anser albifrons x Branta canadensisLast observed by Jon Corcoran on 28 Dec 2016
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Marianne Ofenloch on 31 Jan 2010
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by cassandra westbrook on 13 May 2023
- Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensisLast observed by Bradley White on 17 Dec 2022
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by Marianne Ofenloch on 18 Mar 2014
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Craig Metzgar on 13 Mar 2024
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Cliff Miller on 3 Mar 2021
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Chris Payne on 25 Jun 2023
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Chris Payne on 13 Jul 2023
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Eliza Wein on 13 May 2022
- Northern Parula x Yellow-throated Warbler (hybrid) Setophaga americana x dominicaLast observed by Jim Zamos Historical Records on 19 Jun 2003
Additional Taxa (72)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Emma St. John on 15 Apr 2024
- Common/Barrow's Goldeneye Bucephala clangula/islandicaLast observed by Marianne Ofenloch on 24 Mar 2013
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Maria Loukeris on 10 Mar 2022
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Bradley White on 4 Sep 2022
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Maria Loukeris on 22 Oct 2020
- Western/Semipalmated Sandpiper Calidris mauri/pusillaLast observed by Marianne Ofenloch on 7 Sep 2019
- white-winged gull sp. Larus sp. (white-winged gull sp.)Last observed by Marianne Ofenloch on 27 Jan 2024
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by Marianne Ofenloch on 2 Aug 2013
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Anonymous eBirder on 14 Apr 2024
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Alan Boyd on 11 Sep 2023
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by allison orsi on 20 Sep 2022
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by allison orsi on 7 Nov 2023
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Dennis Miranda on 11 Apr 1992
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Mike Ostrow on 17 Sep 2023
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Marianne Ofenloch on 4 Jun 2023
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Margaret Rohde on 19 Sep 2021