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Tomales Bay--general area
Illustrated Checklist
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Native and Naturalized (217)
Exotic: Provisional (1)
Exotic: Escapee (1)
Hybrids (1)
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by David Lumpkin on 27 Jan 2024
Additional Taxa (18)
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by David Lumpkin on 16 Dec 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Aidan Brubaker on 8 Feb 2021
- Tree/Violet-green Swallow Tachycineta bicolor/thalassinaLast observed by David Lumpkin on 27 Jan 2024