Don Edwards San Francisco Bay National Wildlife Refuge

This is a comprehensive field guide to the all known bird species that preside or migrate through this Refuge.

Bonaparte's Gull ¹
Chroicocephalus philadelphia

Black-headed Gull ²
Chroicocephalus ridibundus

Little Gull ³
Hydrocoloeus minutus

Herring Gull ⁴
Larus argentatus

California Gull ⁵
Larus californicus

Mew Gull ⁶
Larus canus

Ring-billed Gull ⁷
Larus delawarensis

Lesser Black-backed Gull ⁸
Larus fuscus

Glaucous-winged Gull ⁹
Larus glaucescens

Heermann's Gull ⁵
Larus heermanni

Glaucous Gull ¹⁰
Larus hyperboreus

Western Gull ¹¹
Larus occidentalis

Slaty-backed Gull ¹²
Larus schistisagus

Thayer's Gull ¹³
Larus thayeri

Sabine's Gull ¹⁴
Xema sabini

Franklin's Gull ¹⁵
Leucophaeus pipixcan

Edited by Jaishneel Raj, some rights reserved (CC BY-SA)

Photo Credits

1. (c) Mike Baird, some rights reserved (CC BY)
2. (c) Vitaliy Khustochka, some rights reserved (CC BY-NC)
3. (c) Risto Silaste, some rights reserved (CC BY-NC-ND)
4. (c) Tatiana Bulyonkova, some rights reserved (CC BY-NC-SA)
5. (c) docentjoyce, some rights reserved (CC BY)
6. (c) Kari Pihlaviita, some rights reserved (CC BY-NC)
7. (c) Robin Horn, some rights reserved (CC BY-NC-ND)
8. (c) Andrew, some rights reserved (CC BY-NC)
9. (c) Alan Vernon, some rights reserved (CC BY)
10. (c) Maggie.Smith, some rights reserved (CC BY-NC)
11. (c) C.V. Vick, some rights reserved (CC BY-NC-ND)
12. (c) Herman Mays, some rights reserved (CC BY-NC-SA)
13. (c) Marcel Holyoak, some rights reserved (CC BY-NC-ND)
14. (c) Tom Benson, some rights reserved (CC BY-NC-ND)
15. (c) Stephen Little, some rights reserved (CC BY-NC)

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