Lesser Black-backed Gulls

Lesser Black-backed Gull

Inglewood Bird Sanctuary, Calgary, Alberta

Lesser Black-backed Gull

Inglewood Bird Sanctuary, Calgary, Alberta

Lesser Black-backed Gull

Brazoria NWR, Texas

Lesser Black-backed Gull

Brazoria NWR, Texas

Lesser Black-backed Gull

Sarcee Soccer Fields, Calgary, Alberta

Lesser Black-backed Gull

Sarcee Soccer Fields, Calgary, Alberta

Lesser Black-backed Gull

Sarcee Soccer Fields, Calgary, Alberta

Yellow-footed Gull, California Gull, and Lesser Black-backed Gull

Sonny Bono NWR, Salton Sea, California

Lesser Black-backed Gull, California Gull, Yellow-footed Gull

Sonny Bono NWR, Salton Sea, California

Lesser Black-backed Gull

Sonny Bono NWR, Salton Sea, California

Lesser Black-backed Gull, California Gulls, Yellow-footed Gull

Sonny Bono NWR, Salton Sea, California