All photographs ©2003 - 2007 by Mary Beth Stowe
Thayer's Gull (Larus thayeri)
San Diego Pelagic
Locations in red indicate that the sighting was exceptional and that the species should not be expected there.
| J | F | M | A | M | J | J | A | S | O | N | D | |
| Otay Lakes | ● | |||||||||||
| Salton City | ● |