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Pescadero Marsh and Natural Preserve--(east of Hwy 1 only)
Illustrated Checklist
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Native and Naturalized (293)
Hybrids (4)
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Joshua Stacy on 13 Apr 2022
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Ryan Terrill on 26 Feb 2017
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Erica Harris on 24 Aug 2022
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Casey Girard on 7 Jan 2019
Additional Taxa (46)
- Western/Clark's Grebe Aechmophorus occidentalis/clarkiiLast observed by Susan Gilliland on 3 Sep 2021
- American/Pacific Golden-Plover (Lesser Golden-Plover) Pluvialis dominica/fulvaLast observed by Don Roberson on 21 Jun 1980
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Ginny Marshall on 12 Apr 2024
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by Chris Wilson on 21 Jan 2022
- Golden/Bald Eagle Aquila chrysaetos/Haliaeetus leucocephalusLast observed by Kent Forward on 10 Jan 2015
- Downy/Hairy Woodpecker Dryobates pubescens/villosusLast observed by California Redwood on 5 Dec 2021
- Tree/Violet-green Swallow Tachycineta bicolor/thalassinaLast observed by Mike Ambrose on 26 Nov 2023