2nd Cycle LBBG on Carlyle Lake

I found a 2nd cycle Lesser Black-backed Gull on Carlyle Lake in Illinois on Saturday. This is the second September in a row that I've found a 2nd cycle LBBG here, both completing outer primary molt:

Second Cycle LBBG. Carlyle, IL. 07 September 2013.

2nd Cycle LBBG. Carlyle, IL. 22 September 2012.