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Middlesex
Illustrated Checklist
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Native and Naturalized (343)
Exotic: Provisional (1)
Exotic: Escapee (11)
Hybrids (16)
- Graylag x Swan Goose (hybrid) Anser anser x cygnoidesLast observed by Donna Ferguson on 21 Dec 2020
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Stephen Taylor on 8 Jun 2022
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Maria Cohoon on 6 Jan 2024
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Laure Wilson Neish on 31 Mar 2024
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Anonymous eDipper on 14 Apr 2017
- Ring-necked Duck x Lesser Scaup (hybrid) Aythya collaris x affinisLast observed by Anonymous eDipper on 14 Apr 2017
- Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandicaLast observed by Frank King on 2 Mar 2015
- Herring x Great Black-backed Gull (hybrid) Larus argentatus x marinusLast observed by Brandon Holden on 21 Jan 2021
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Brandon Holden on 13 Jan 2022
- Herring x Lesser Black-backed Gull (hybrid) Larus argentatus x fuscusLast observed by Brett Fried on 4 Jan 2024
- Yellow-bellied x Red-naped Sapsucker (hybrid) Sphyrapicus varius x nuchalisLast observed by Brandon Holden on 14 Apr 2023
- Western x Eastern Kingbird (hybrid) Tyrannus verticalis x tyrannusLast observed by Don Webb on 9 Jul 2019
- Barn x Cliff Swallow (hybrid) Hirundo rustica x Petrochelidon pyrrhonotaLast observed by Joshua Vandermeulen on 21 Jul 2021
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Thomas Ouchterlony on 20 May 2021
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Reuven Martin on 17 Aug 2023
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Lisa Den Besten on 17 May 2020
Additional Taxa (97)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by L. Scott Milne on 21 Apr 2024
- Cackling/Canada Goose Branta hutchinsii/canadensisLast observed by Jennifer Slauenwhite on 14 Jan 2024
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by Annie Masson on 26 Mar 2024
- dabbling duck sp. Anatidae sp. (dabbling duck sp.)Last observed by Laure Wilson Neish on 4 Apr 2024
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Mark Anderson on 1 Jul 2023
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Published Ontario Bird Records Data on 25 Oct 2004
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Paul Taylor on 3 Sep 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Mark Patry on 9 May 2023
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Lucas Foerster on 12 Jul 2017
- white-winged gull sp. Larus sp. (white-winged gull sp.)Last observed by Anonymous eBirder on 28 Feb 2024
- Glossy/White-faced Ibis Plegadis falcinellus/chihiLast observed by Published Ontario Bird Records Data on 9 May 2001
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Shelby Mueller on 19 Apr 2024
- Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillusLast observed by Sawyer Dawson on 6 Jan 2021
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by Quinten Wiegersma on 22 Oct 2018
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Brandon Holden on 12 Sep 2023
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by Susan Cooper on 13 Sep 2023
- Philadelphia/Red-eyed Vireo Vireo philadelphicus/olivaceusLast observed by L. Scott Milne on 11 Aug 2023
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by kelly caughlin on 27 Sep 2023
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Anonymous eBirder on 16 Feb 2018
- White-crowned/White-throated Sparrow Zonotrichia leucophrys/albicollisLast observed by Anonymous eBirder on 1 May 2018
- Western/Eastern Meadowlark Sturnella neglecta/magnaLast observed by Quinten Wiegersma on 12 Jun 2021
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Allanah Vokes on 22 May 2023
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Lucas Foerster on 21 Sep 2023