1. Thayer's Gull Larus thayeri, third year, Stow Lake, San Francisco, California, USA, February 29, 2004.  THGU_33

2. Thayer's Gull L. thayeri, third year, with Western Gulls L. occidentalis, Stow Lake, San Francisco, California, USA, February 29, 2004.  Same individual as above.  THGU_34

3. Thayer's Gull L. thayeri, third year, Stow Lake, San Francisco, California, USA, February 29, 2004.  Same individual as above.  THGU_35

4. Thayer's Gull L. thayeri, third year, Stow Lake, San Francisco, California, USA, February 29, 2004.  Same individual as above.  THGU_36

5. Thayer's Gull L. thayeri, third year, Stow Lake, San Francisco, California, USA, February 29, 2004.  Same individual as above.  THGU_37

6. Thayer's Gull L. thayeri, third year, Stow Lake, San Francisco, California, USA, February 29, 2004.  Same individual as above.  THGU_38

7. Thayer's Gull L. thayeri, third year, Stow Lake, San Francisco, California, USA, February 29, 2004.  Same individual as above.  THGU_39

8. Thayer's Gull L. thayeri, third year, Stow Lake, San Francisco, California, USA, February 29, 2004.  Same individual as above.  THGU_40

9. Thayer's Gull L. thayeri, third year, Stow Lake, San Francisco, California, USA, February 29, 2004.  Same individual as above.  THGU_41

10. Thayer's Gull L. thayeri, third year, Stow Lake, San Francisco, California, USA, February 29, 2004.  Same individual as above.  THGU_42

11. Thayer's Gull L. thayeri, third year, Stow Lake, San Francisco, California, USA, February 29, 2004.  Same individual as above.  THGU_43

12. Thayer's Gull L. thayeri, third year, Stow Lake, San Francisco, California, USA, February 29, 2004.  Same individual as above.  THGU_44

© Stephen J. Davies

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