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Hayward Regional Shoreline
Illustrated Checklist
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Native and Naturalized (309)
Exotic: Escapee (1)
Hybrids (7)
- Snow x Ross's Goose (hybrid) Anser caerulescens x rossiiLast observed by Bob Richmond on 28 Jan 2018
- Domestic goose sp. x Canada Goose (hybrid) Anser sp. (Domestic type) x Branta canadensisLast observed by Bob Richmond on 10 Aug 2012
- Barnacle x Canada Goose (hybrid) Branta leucopsis x canadensisLast observed by Bob Richmond on 21 Sep 1995
- Eurasian x American Wigeon (hybrid) Mareca penelope x americanaLast observed by Bob Richmond on 5 Feb 2019
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Bob Richmond on 18 Dec 1998
- Western x Glaucous-winged Gull (hybrid) Larus occidentalis x glaucescensLast observed by Bill Chen on 11 Feb 2024
- Herring x Glaucous-winged Gull (hybrid) Larus argentatus x glaucescensLast observed by Alex Henry on 6 Nov 2020
Additional Taxa (69)
- Domestic goose sp. (Domestic type) Anser sp. (Domestic type)Last observed by Bob Richmond on 24 Feb 1999
- American/Pacific Golden-Plover (Lesser Golden-Plover) Pluvialis dominica/fulvaLast observed by Eddie Bartley on 5 Aug 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by James Watts, Jr on 22 Apr 2024
- large shorebird sp. Scolopacidae sp. (large shorebird sp.)Last observed by Alex Lin-Moore on 23 Dec 2022
- yellow-bellied kingbird sp. Tyrannus sp. (yellow-bellied)Last observed by Bob Richmond on 18 Mar 2023
- Tree/Violet-green Swallow Tachycineta bicolor/thalassinaLast observed by Cathy Bleier on 6 Aug 2022
- Rose-breasted/Black-headed Grosbeak Pheucticus ludovicianus/melanocephalusLast observed by Bob Richmond on 20 Sep 1996