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Cass
Illustrated Checklist
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Native and Naturalized (250)
Exotic: Provisional (1)
Exotic: Escapee (2)
Hybrids (1)
Additional Taxa (38)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Scott Seier on 3 Jun 2023
- Lesser/Greater Yellowlegs Tringa flavipes/melanoleucaLast observed by Anonymous eBirder on 3 Jul 2023
- diurnal raptor sp. Accipitriformes/Falconiformes sp.Last observed by Angi King Johnston on 13 Mar 2022
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Bill Tollefson on 5 Aug 2022
- Philadelphia/Red-eyed Vireo Vireo philadelphicus/olivaceusLast observed by Thane Dinsdale on 14 May 2023
- Spotted/Eastern Towhee (Rufous-sided Towhee) Pipilo maculatus/erythrophthalmusLast observed by Shari Schwartz on 24 Sep 2022
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Sam Manning on 3 May 2009
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by William Flack on 30 Aug 2021