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District of Columbia
Illustrated Checklist
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Native and Naturalized (331)
Exotic: Escapee (7)
Hybrids (13)
- Swan Goose x Canada Goose (hybrid) Anser cygnoides x Branta canadensisLast observed by Marisa Rositol on 17 Nov 2014
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Xiao Xue on 6 Jun 2020
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Sandra Rosenhouse on 8 Feb 2023
- Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensisLast observed by Alex Sundvall on 14 Jan 2023
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by Gerry Hawkins on 1 Mar 2019
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Gerry Hawkins on 18 Apr 2022
- Northern Pintail x Green-winged Teal (hybrid) Anas acuta x creccaLast observed by Ottavio Janni on 1 Nov 1998
- Ring-necked Duck x Lesser Scaup (hybrid) Aythya collaris x affinisLast observed by Frank Hawkins on 18 Feb 2017
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Frank Hawkins on 25 Jan 2014
- Herring x Lesser Black-backed Gull (hybrid) Larus argentatus x fuscusLast observed by Gregory Gough 🦚 on 23 Jan 2022
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Gene Murray on 29 Apr 2023
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Kathryn Wilson on 8 Sep 2022
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Hanan Jacoby on 7 Sep 2022
Additional Taxa (101)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Anonymous eBirder on 17 Apr 2024
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Menachem Goldstein on 6 Sep 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Frank Hawkins on 20 Aug 2017
- Red/Red-necked Phalarope Phalaropus fulicarius/lobatusLast observed by Anonymous eBirder on 2 Oct 2016
- white-winged gull sp. Larus sp. (white-winged gull sp.)Last observed by Martin Sneary on 11 Jan 2015
- Forster's/Common Tern Sterna forsteri/hirundoLast observed by Vikas Madhav Nagarajan on 30 Oct 2023
- Great/Double-crested Cormorant Phalacrocorax carbo/Nannopterum auritumLast observed by Daniel S. on 15 Jan 2022
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by Kyle Gardiner on 6 Apr 2024
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by Notrab Elliott on 28 Sep 2022
- diurnal raptor sp. Accipitriformes/Falconiformes sp.Last observed by Lawrence Rhoads on 15 Mar 2024
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Jeff Shenot on 4 Oct 2023
- Cassin's/Blue-headed Vireo Vireo cassinii/solitariusLast observed by Menachem Goldstein on 3 Nov 2023
- Carolina/Black-capped Chickadee Poecile carolinensis/atricapillusLast observed by Kerry Snyder on 21 Dec 2022
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Katie Hodge on 12 Nov 2023
- Gray-cheeked/Bicknell's Thrush Catharus minimus/bicknelliLast observed by Ed Wallace on 30 Sep 2023
- new world goldfinch sp. Spinus sp. (goldfinch sp.)Last observed by Menachem Goldstein on 27 Apr 2021
- Lincoln's/Swamp Sparrow Melospiza lincolnii/georgianaLast observed by McKinley Street NFC Station on 22 Oct 2023
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Gregory Gough 🦚 on 19 Aug 2023
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Daniel S. on 29 Apr 2023
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Gerry Hawkins on 19 Sep 2023