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Stewart Park
Illustrated Checklist
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Native and Naturalized (275)
Exotic: Escapee (3)
Hybrids (14)
- Graylag x Canada Goose (hybrid) Anser anser x Branta canadensisLast observed by Marshall Iliff on 18 Jan 2015
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Tom Auer on 22 Oct 2022
- Snow x Canada Goose (hybrid) Anser caerulescens x Branta canadensisLast observed by Kevin McGowan on 31 Jan 2012
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Chris Wood on 25 Mar 2009
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by John Garrett on 25 Mar 2024
- Redhead x Ring-necked Duck (hybrid) Aythya americana x collarisLast observed by Tom Auer on 12 Jan 2024
- Ring-necked Duck x Lesser Scaup (hybrid) Aythya collaris x affinisLast observed by Tim Lenz on 3 Apr 2011
- Redhead x scaup sp. (hybrid) Aythya americana x marila/affinisLast observed by Jeremy Collison on 15 Jan 2024
- Ring-necked Duck x scaup sp. (hybrid) Aythya collaris x marila/affinisLast observed by Tristan Herwood on 27 Mar 2021
- Tufted Duck x scaup sp. (hybrid) Aythya fuligula x marila/affinisLast observed by Ken Rosenberg on 15 Jan 2024
- Herring x Great Black-backed Gull (hybrid) Larus argentatus x marinusLast observed by Tristan Herwood on 28 Feb 2020
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Tim Lenz on 19 Mar 2019
- Herring x Lesser Black-backed Gull (hybrid) Larus argentatus x fuscusLast observed by Jeremy Collison on 19 Feb 2023
Additional Taxa (69)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Kenneth Kemphues on 14 Apr 2024
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by Meena Haribal on 3 Mar 2024
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Gladys Birdsall on 2 Apr 2019
- Glossy/White-faced Ibis Plegadis falcinellus/chihiLast observed by Cayuga Basin Records on 18 Oct 2019
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by Wee Hao Ng on 4 Mar 2023
- diurnal raptor sp. Accipitriformes/Falconiformes sp.Last observed by Eduardo Iñigo Elias on 24 Sep 2023
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Simon Priestnall on 11 Jun 2019
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by Bryan Gorges on 16 Sep 2017
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Ann Mitchell on 11 May 2018
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Shawn Billerman on 6 May 2021
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Raphaël Nussbaumer on 23 Aug 2022