This first-cycle gull was photographed at Corpus Christi Landfill, Nueces County, Texas on April 01, 2006:
It was larger than all the nearby Am. HERGs:
The bill looked thicker-based than on nearby Am. HERGs:
The underwing coverts looked much more like those of GBBG than those of Am. HERG:
The underparts markings were too speckly for Am. HERG - looking more like those of a LBBG:
The uppertail coverts and uppertail were like those of a LBBG or very darkly-pigmented GBBG:
