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Bighorn Canyon NRA--Afterbay Reservoir
Illustrated Checklist
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Native and Naturalized (160)
Exotic: Escapee (1)
Hybrids (3)
- Gadwall x Mallard (hybrid) Mareca strepera x Anas platyrhynchosLast observed by William Crain on 15 Jan 2017
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by Mike Weber on 26 Feb 2023
- Common Goldeneye x Hooded Merganser (hybrid) Bucephala clangula x Lophodytes cucullatusLast observed by Tina Toth on 7 Dec 2019
Additional Taxa (7)
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Tisa Hunnewell on 10 Oct 2019
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Guy Tingos on 22 May 2019