Monthly Archives: April 2014

Sub-adult American Herring Gulls – 201402

Tertial spots in sub-adult and adult gulls

2cy Lesser Black-backed Gull – 20140426

Adult American Herring Gulls, seen from a Dutch perspective – 201402

Adult American Herring Gulls, Lake Michigan region – 201402

Heermann’s Gulls San Diego – 201404

Western Gulls in San Diego – 201404

California Gulls in San Diego – 201404

Adult Thayer’s Gulls, Lake Michigan region – 201402

29cy Herring Gull ZDGA – 2040405