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Illinois Beach SP--South Unit
Illustrated Checklist
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Native and Naturalized (316)
Exotic: Escapee (3)
Hybrids (1)
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by John Ter Louw on 27 Apr 2024
Additional Taxa (65)
- Common/Red-breasted Merganser Mergus merganser/serratorLast observed by Andrew Stewart on 22 Feb 2024
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Tarik Shahzad on 25 May 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Nathan Goldberg on 13 Sep 2021
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by beau schaefer on 5 Sep 2023
- Philadelphia/Warbling Vireo Vireo philadelphicus/gilvusLast observed by Robert Hughes on 9 Sep 2023
- Ruby-crowned/Golden-crowned Kinglet Corthylio calendula/Regulus satrapaLast observed by Gustavo Ustariz on 3 Oct 2020
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Andrew Stewart on 27 Apr 2023
- Bay-breasted/Blackpoll Warbler Setophaga castanea/striataLast observed by Jim Chiropolos on 5 Oct 2023