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Halton
Illustrated Checklist
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Native and Naturalized (359)
Exotic: Escapee (22)
Hybrids (20)
- Snow x Ross's Goose (hybrid) Anser caerulescens x rossiiLast observed by Dominik Hałas on 27 May 2018
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Joanne Muis Redwood on 14 Mar 2022
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Reuven Martin on 15 Feb 2016
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by robert laker on 25 Mar 2012
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by Joanne Muis Redwood on 10 Jan 2021
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Bob Curry on 16 Apr 2024
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Cody Bassindale on 15 Jan 2022
- Canvasback x Redhead (hybrid) Aythya valisineria x americanaLast observed by William Konze on 23 Dec 2023
- Redhead x Ring-necked Duck (hybrid) Aythya americana x collarisLast observed by Joanne Muis Redwood on 3 Nov 2023
- Redhead x Greater Scaup (hybrid) Aythya americana x marilaLast observed by Joanne Muis Redwood on 24 Jan 2020
- Tufted Duck x Greater Scaup (hybrid) Aythya fuligula x marilaLast observed by Hamilton Naturalists' Club Bird Record Data on 9 Jan 2005
- Bufflehead x Common Goldeneye (hybrid) Bucephala albeola x clangulaLast observed by Hamilton Naturalists' Club Bird Record Data on 25 Feb 2005
- Common x Barrow's Goldeneye (hybrid) Bucephala clangula x islandicaLast observed by Hamilton Naturalists' Club Bird Record Data on 27 Dec 2009
- Bufflehead x Hooded Merganser (hybrid) Bucephala albeola x Lophodytes cucullatusLast observed by Hamilton Naturalists' Club Bird Record Data on 6 Jan 2008
- Common Goldeneye x Hooded Merganser (hybrid) Bucephala clangula x Lophodytes cucullatusLast observed by Benjamin Laing on 1 Mar 2024
- Herring x Great Black-backed Gull (hybrid) Larus argentatus x marinusLast observed by Ross Wood on 26 Jan 2015
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Hamilton Naturalists' Club Bird Record Data on 2 Jan 2009
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Max Segler on 8 Jun 2023
- Brewster's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F1 hybrid)Last observed by Markus Legzdins on 21 May 2023
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Christina Kovacs on 15 Jun 2015
Additional Taxa (112)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Brian Mishell on 2 Nov 2023
- King/Common Eider Somateria spectabilis/mollissimaLast observed by Hamilton Naturalists' Club Bird Record Data on 10 Feb 1997
- White-winged/Stejneger's Scoter Melanitta deglandi/stejnegeriLast observed by Bob Curry on 17 Feb 2019
- Common/Barrow's Goldeneye Bucephala clangula/islandicaLast observed by Richard Poort on 18 Jan 2019
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Virginia Carey on 5 Feb 2024
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Ken Musgrave on 1 Aug 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Mike Norton on 20 May 2023
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Cecilia Findlay on 24 Oct 2023
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Markus Legzdins on 20 May 2023
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by Markus Legzdins on 5 Oct 2023
- white-winged gull sp. Larus sp. (white-winged gull sp.)Last observed by Kathryn Ronalds on 18 Feb 2023
- white egret sp. Egretta/Bubulcus/Ardea sp.Last observed by Hamilton Naturalists' Club Bird Record Data on 2 Jun 2004
- Glossy/White-faced Ibis Plegadis falcinellus/chihiLast observed by Published Ontario Bird Records Data on 7 Nov 1993
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Markus Legzdins on 23 Mar 2024
- Cooper's Hawk/American Goshawk Accipiter cooperii/atricapillusLast observed by Anonymous eBirder on 18 Feb 2024
- diurnal raptor sp. Accipitriformes/Falconiformes sp.Last observed by Bradley Bloemendal on 24 Nov 2022
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Ben Oldfield on 11 Sep 2023
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by Markus Legzdins on 26 Aug 2023
- Loggerhead/Northern Shrike Lanius ludovicianus/borealisLast observed by Ben Oldfield on 16 Apr 2018
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Manav Relan on 22 Apr 2024
- Spizella sp./American Tree Sparrow Spizella/Spizelloides sp.Last observed by Sean Bates on 20 Feb 2024
- White-crowned/White-throated Sparrow Zonotrichia leucophrys/albicollisLast observed by Jeff Moon on 17 Feb 2024
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Paul Strong on 17 Sep 2017
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Karl Heide on 3 Jul 2022
- Connecticut/MacGillivray's/Mourning Warbler Oporornis/Geothlypis sp. (Mourning-type)Last observed by Ben Oldfield on 23 May 2022
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Ian Jarvie on 13 Sep 2023