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Aurora Audubon Sanctuary
Illustrated Checklist
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Native and Naturalized (195)
Hybrids (1)
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Nola Miller-Brasure on 24 Apr 2016
Additional Taxa (19)
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Mary Salomon on 7 Jun 2009
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Joseph Ford on 3 Jun 2015