Probable Great Black-backed and Herring Gull Hybrid

Photographed at North Point Marina in Illinois on February 9, 2008 by Robert Hughes

Taken with a Questar telescope and a Fujifilm A820 digital camera

This gull was similar to a Great Black-backed Gull except for:

The grayish mantle color, similar to the mantle color of an adult graellsii Lesser Black-backed Gull.
The dark streaking on the neck.