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Salton Sea--Obsidian Butte
Illustrated Checklist
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Native and Naturalized (237)
Hybrids (1)
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Oscar Johnson on 18 Feb 2007
Additional Taxa (26)
- Blue-winged/Cinnamon Teal Spatula discors/cyanopteraLast observed by Jonathan Feenstra on 20 Dec 2022
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Rushi Tawade on 20 Oct 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Anonymous eBirder on 31 Dec 2023
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Ethan Monk on 9 Jun 2021
- Double-crested/Neotropic Cormorant Nannopterum auritum/brasilianumLast observed by Chris Dean on 31 Mar 2023
- Sagebrush/Bell's Sparrow (Sage Sparrow) Artemisiospiza nevadensis/belliLast observed by K R Eckert on 26 Jan 2018