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Peterborough
Illustrated Checklist
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Native and Naturalized (310)
Exotic: Escapee (7)
Hybrids (17)
- Snow x Ross's Goose (hybrid) Anser caerulescens x rossiiLast observed by Chris Risley on 20 Sep 2017
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Donald A. Sutherland on 18 Sep 2014
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Scott McKinlay on 27 Apr 2019
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by Brendan Boyd on 29 Mar 2012
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Laurie Healey on 21 Mar 2024
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Kim Bennett on 26 Mar 2022
- Bufflehead x Common Goldeneye (hybrid) Bucephala albeola x clangulaLast observed by Tamara B on 25 Mar 2024
- Bufflehead x goldeneye sp. (hybrid) Bucephala albeola x clangula/islandicaLast observed by Jason Smyrlis on 15 Mar 2024
- Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandicaLast observed by Donald A. Sutherland on 29 Nov 2021
- Common Goldeneye x Hooded Merganser (hybrid) Bucephala clangula x Lophodytes cucullatusLast observed by Donald A. Sutherland on 3 Mar 2012
- Herring x Great Black-backed Gull (hybrid) Larus argentatus x marinusLast observed by Andrew Brown on 10 Dec 2023
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Luke Berg on 5 Apr 2015
- Chipping x Clay-colored Sparrow (hybrid) Spizella passerina x pallidaLast observed by Doug McRae on 8 May 1983
- Dark-eyed Junco x White-throated Sparrow (hybrid) Junco hyemalis x Zonotrichia albicollisLast observed by Iain Rayner on 6 May 2014
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Kristyn Ferguson on 23 May 2023
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Leo Weiskittel on 5 May 2024
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Marilyn Hubley on 1 May 2024
Additional Taxa (94)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Donald A. Sutherland on 6 Mar 2024
- Common/Barrow's Goldeneye Bucephala clangula/islandicaLast observed by Susan Paradisis on 6 Feb 2018
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Drew Monkman on 22 Aug 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Bill Crins on 5 Oct 2003
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Chris Risley on 24 May 2023
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Kiah R. Jasper on 23 Sep 2023
- Philadelphia/Red-eyed Vireo Vireo philadelphicus/olivaceusLast observed by Kim Erskine on 13 May 2023
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Iain Rayner on 23 Apr 2018
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by E. Straka on 25 Mar 2018
- White-crowned/White-throated Sparrow Zonotrichia leucophrys/albicollisLast observed by Erica Nol on 14 Oct 2017
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Donald A. Sutherland on 9 May 2024
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Travis Cameron on 15 Sep 2022
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Paula Quist on 7 Sep 2020