May 25, 2015 Chicago Monroe Harbor 
Jun 2, 2015| May 22, 2015 May 25, 2015 Chicago Monroe Harbor Jun 2, 2015 |
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 Caspian Tern gliding Hydroprogne caspia     |
 Ring-billed Gull basking Larus delawarensis  |
 Ring-billed Gull flying frontal Larus delawarensis |
 House Sparrow female Passer domesticus 
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4 photos this page; 1 new species. |  photographer:  |