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Ada County Landfill
Illustrated Checklist
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Native and Naturalized (140)
Hybrids (4)
- Mallard x Northern Pintail (hybrid) Anas platyrhynchos x acutaLast observed by RL Rowland on 14 Feb 2018
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Jason Talbot on 18 Dec 2019
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by RL Rowland on 7 Mar 2016
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Carter Strope on 29 Nov 2021