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Illustrated Checklist
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Native and Naturalized (378)
January February March April May June July August September October November December generic.week Frequency 1.3 generic.week Frequency 0.8 generic.week Frequency 0.3 generic.week Frequency 0.5 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency <0.1 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 1.9 generic.week Frequency 1.6 generic.week Frequency 0.7 generic.week Frequency 0.3 generic.week Frequency 0.2 generic.week Frequency 0 generic.week Frequency 0 generic.week Frequency 0.4 generic.week Frequency 0.6 generic.week Frequency 0.2 generic.week Frequency 0.1 generic.week Frequency 0.7 generic.week Frequency 0.3 generic.week Frequency 0.5 generic.week Frequency 1.4 generic.week Frequency 1.1 generic.week Frequency 1.0 generic.week Frequency 0.6 Weekly frequency of eBird observations Last observed by Philip Downey on 18 Jun 2022
Exotic: Escapee (17)
Hybrids (17)
- Snow x Ross's Goose (hybrid) Anser caerulescens x rossiiLast observed by Reuben Klassen on 27 Nov 2022
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Cesar Ponce on 2 Oct 2022
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by Jeremy L. Hatt on 2 Dec 2013
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by Tyler L. Hoar on 26 Nov 2011
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Reuben Klassen on 7 Mar 2025
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Brad Reinhardt on 25 Jan 2025
- Canvasback x Redhead (hybrid) Aythya valisineria x americanaLast observed by Chris Burris on 14 Mar 2021
- Common Goldeneye x Hooded Merganser (hybrid) Bucephala clangula x Lophodytes cucullatusLast observed by Reuven Martin on 9 Dec 2018
- American Herring x Great Black-backed Gull (hybrid) Larus smithsonianus x marinusLast observed by Brandon Holden on 6 Mar 2025
- American Herring x Glaucous Gull (hybrid) Larus smithsonianus x hyperboreusLast observed by Nathan Hood on 19 Dec 2020
- American Herring x Lesser Black-backed Gull (hybrid) Larus smithsonianus x fuscusLast observed by Quinten Wiegersma on 8 Dec 2024
- American Herring x California Gull (hybrid) Larus smithsonianus x californicusLast observed by Brandon Holden on 19 Feb 2005
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Dustin D on 11 May 2015
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Diana Werezak on 22 Aug 2024
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Philip Downey on 12 May 2023
Additional Taxa (109)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Brad Reinhardt on 25 Jan 2025
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by Marcie Jacklin on 19 Jan 2025
- Common/Barrow's Goldeneye Bucephala clangula/islandicaLast observed by Brandon Holden on 6 Mar 2025
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Lynda Goodridge on 24 Feb 2025
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Barb Dermott on 15 Sep 2024
- Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandriLast observed by Cameron Williams on 4 Oct 2013
- Rufous/Allen's Hummingbird Selasphorus rufus/sasinLast observed by Barbara N. Charlton on 2 Dec 1990
- hummingbird sp. Trochilidae sp.Last observed by Hamilton Naturalists' Club Bird Record Data on 1 Oct 2000
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by David Creelman on 28 Oct 2023
- Red/Red-necked Phalarope Phalaropus fulicarius/lobatusLast observed by Marcie Jacklin on 26 Sep 2022
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Callum Nixon-Holmes on 26 Sep 2024
- Long-tailed/Parasitic Jaeger Stercorarius longicaudus/parasiticusLast observed by Ryan Griffiths on 28 Oct 2023
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by Ryan Griffiths on 24 Oct 2023
- Herring complex/Lesser Black-backed Gull Larus smithsonianus/vegae/mongolicus/argentatus/fuscusLast observed by Jean Iron on 6 Dec 2008
- American Herring/Iceland Gull Larus smithsonianus/glaucoidesLast observed by Doug Gochfeld on 4 Dec 2014
- white-winged gull sp. Larus sp. (white-winged gull sp.)Last observed by Ryan Griffiths on 13 Jan 2024
- storm-petrel sp. Oceanitidae/Hydrobatidae sp.Last observed by Published Ontario Bird Records Data on 27 Sep 2003
- Glossy/White-faced Ibis Plegadis falcinellus/chihiLast observed by Published Ontario Bird Records Data on 17 Oct 1996
- Sharp-shinned/Cooper's Hawk Accipiter striatus/Astur cooperiiLast observed by Catherine Manschot on 11 Mar 2025
- Accipitrine hawk sp. (former Accipiter sp.) Aerospiza/Tachyspiza/Accipiter/Astur sp.Last observed by Joedy Groulx on 26 Jan 2025
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by roy sorgenfrei on 28 Aug 2024
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Gabriel Magnus on 28 Dec 2024
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Cyndie MacKinnon on 19 Feb 2018
- White-crowned/White-throated Sparrow Zonotrichia leucophrys/albicollisLast observed by Queenie McNabb on 23 May 2020
- Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmusLast observed by Shirley Chambers on 19 Sep 2020
- Western/Eastern Meadowlark Sturnella neglecta/magnaLast observed by Margo Jakobschuk on 11 Mar 2023
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by Ryan Griffiths on 21 Apr 2019
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Joedy Groulx on 7 May 2024
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Mike MacLeod on 19 May 2024
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Shirley Chambers on 2 Oct 2024