Larus delawarensis
Ring-billed Gull - Shoreline Park, Mountain View, CA
Ring-billed Gull - Palo Alto Duck Pond, Palo Alto, CA
Ring-billed Gull - Palo Alto, CA, USA
Ring-billed Gull - 2nd Cycle - Palo Alto, CA, USA
Ring-billed Gull - Half Moon Bay, CA, USA
Ring-billed Gull - Richmond, CA, USA
Ring-billed Gull - Palo Alto Baylands, Palo Alto, CA
- Palo Alto, CA, USA
Ring-billed Gull - Radio Road, Redwood City, CA
Ring-billed Gull - Point Reyes National Seashore, CA, USA
