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Port of Redwood City
Illustrated Checklist
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Native and Naturalized (99)
Hybrids (1)
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Adam Dudley on 31 Mar 2017
Additional Taxa (8)
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Jane Tatchell on 28 Dec 2023