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Waterloo RA--Portage Lake Unit
Illustrated Checklist
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Native and Naturalized (215)
Exotic: Provisional (1)
Exotic: Escapee (1)
Hybrids (2)
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Don Henise on 24 Nov 2023
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by Russell Ryan on 8 May 2022
Additional Taxa (36)
- Mallard/American Black Duck Anas platyrhynchos/rubripesLast observed by Brandon Nidiffer on 25 Nov 2014
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Robyn Henise on 30 Oct 2023
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by David Ewert on 22 May 1965
- Golden-winged/Blue-winged Warbler Vermivora chrysoptera/cyanopteraLast observed by Robyn Henise on 5 May 2016