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Thunder Bay
Illustrated Checklist
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Native and Naturalized (360)
Exotic: Provisional (1)
Exotic: Escapee (7)
Hybrids (3)
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by Norma Maurice on 2 May 2018
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Caleb Scholtens on 29 Aug 2023
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Published Ontario Bird Records Data on 20 May 1981
Additional Taxa (95)
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by Caleb Scholtens on 16 May 2022
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Allan Harris on 17 Dec 2023
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Published Ontario Bird Records Data on 6 Sep 2006
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Stan Phippen on 18 May 1993
- Black-bellied Plover/golden-plover sp. Pluvialis sp.Last observed by Pegg & Mark Campbell on 31 Aug 2022
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Yves Scholten on 26 May 2023
- American Three-toed/Black-backed Woodpecker Picoides dorsalis/arcticusLast observed by Douglas Tate on 24 Mar 2024
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Lynda Sisco on 8 Sep 2023
- Tropical/Couch's Kingbird Tyrannus melancholicus/couchiiLast observed by Published Ontario Bird Records Data on 27 Sep 1998
- Cassin's/Western Kingbird Tyrannus vociferans/verticalisLast observed by Published Ontario Bird Records Data on 26 May 1992
- Philadelphia/Red-eyed Vireo Vireo philadelphicus/olivaceusLast observed by Ted Armstrong on 12 Jul 2023
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Christine Drake on 2 Sep 2019
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Bonnie Portelance on 14 Feb 2020
- White-crowned/White-throated Sparrow Zonotrichia leucophrys/albicollisLast observed by Bill Greaves on 24 Sep 2019
- Rusty/Brewer's Blackbird Euphagus carolinus/cyanocephalusLast observed by Pegg & Mark Campbell on 12 Apr 2024
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Katrina Theisen on 2 Oct 2022