Mar 4, 2016 Chicago Monroe Harbor 
Mar 5, 2016| Feb 26, 2016 Mar 4, 2016 Chicago Monroe Harbor Mar 5, 2016 |
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 Quagga Mussel encrusted Dreissena bugensis  
New
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 Ring-billed Gull flying Larus delawarensis    |
 Ring-billed Gull gliding Larus delawarensis  |
 Root |
3 photos this page; 1 new species. |  photographer:  |