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Illustrated Checklist
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Native and Naturalized (367)
Exotic: Escapee (22)
Hybrids (21)
- Snow x Ross's Goose (hybrid) Anser caerulescens x rossiiLast observed by Aaron Hywarren on 18 Apr 2024
- Greater White-fronted x Canada Goose (hybrid) Anser albifrons x Branta canadensisLast observed by Eric Baldo on 10 Apr 2019
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Adrian Gollner on 19 Oct 2023
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Martha Burchat on 19 Mar 2024
- Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensisLast observed by Gerhard Bruins on 21 Apr 2024
- Barnacle x Canada Goose (hybrid) Branta leucopsis x canadensisLast observed by Mark Gawn on 23 Apr 2020
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by Artur Przybylo on 12 Jan 2024
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by Al Caughey on 21 Feb 2024
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Bernie Ladouceur on 21 Apr 2024
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Isma Giralt on 3 May 2023
- Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandicaLast observed by Jon P. Ruddy on 14 Nov 2017
- Common Goldeneye x Hooded Merganser (hybrid) Bucephala clangula x Lophodytes cucullatusLast observed by Marcel Gahbauer on 30 Oct 2019
- Herring x Great Black-backed Gull (hybrid) Larus argentatus x marinusLast observed by Bernie Ladouceur on 8 Dec 2022
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Bernie Ladouceur on 9 Nov 2021
- Great Black-backed x Glaucous Gull (hybrid) Larus marinus x hyperboreusLast observed by Mark Gawn on 12 Jan 2024
- Red-shouldered x Red-tailed Hawk (hybrid) Buteo lineatus x jamaicensisLast observed by Natasha Artemeva on 8 Sep 2023
- Yellow-bellied x Red-naped Sapsucker (hybrid) Sphyrapicus varius x nuchalisLast observed by Jeff Skevington on 11 Apr 2021
- Western x Eastern Meadowlark (hybrid) Sturnella neglecta x magnaLast observed by Doug McRae on 6 May 1980
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Vincent Fyson on 5 Jun 2023
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Michelle Martin on 18 May 2017
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Artur Przybylo on 2 Jun 2023
Additional Taxa (121)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Colin Gaskell on 16 Sep 2023
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by Jonathan Wallace on 8 Apr 2024
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Published Ontario Bird Records Data on 5 Nov 1976
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Janet McCullough on 14 Oct 2023
- moorhen/coot/gallinule sp. Gallinula/Fulica/Porphyrio sp.Last observed by Rémy Poulin on 20 Jun 2015
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Zachary Deutsch on 2 Sep 2022
- Red/Red-necked Phalarope Phalaropus fulicarius/lobatusLast observed by Michelle Martin on 18 Sep 2023
- Western/Semipalmated Sandpiper Calidris mauri/pusillaLast observed by Peter Blancher on 29 Aug 2012
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Alvan Buckley on 28 Aug 2016
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by Marcel Gahbauer on 22 Nov 2016
- Herring/Lesser Black-backed Gull Larus argentatus/fuscusLast observed by Bernie Ladouceur on 15 Jul 2018
- white-winged gull sp. Larus sp. (white-winged gull sp.)Last observed by Bernie Ladouceur on 3 Dec 2013
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by Alex Stone on 23 Sep 2017
- American Three-toed/Black-backed Woodpecker Picoides dorsalis/arcticusLast observed by Tamara Poropat on 15 Apr 2023
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Always An Adventure Inc. Team on 17 Sep 2023
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by Aidan Hamilton on 24 Aug 2022
- Philadelphia/Red-eyed Vireo Vireo philadelphicus/olivaceusLast observed by Justin Kreller on 17 Jul 2023
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Christopher G. Harris on 9 Feb 2024
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Charles Francis on 7 Apr 2024
- White-crowned/White-throated Sparrow Zonotrichia leucophrys/albicollisLast observed by Jon P. Ruddy on 25 Oct 2017
- Lincoln's/Swamp Sparrow Melospiza lincolnii/georgianaLast observed by Iain Rayner NFC Station on 21 May 2022
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by Vincent Fyson on 3 Feb 2024
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Christopher G. Harris on 27 Jun 2023
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Mark Patry on 18 Sep 2023