Adult Thayer's Gull and Two Kumlien's Gulls at Oshawa Harbour

Adult Thayer's Gull with adult Herring Gulls at Oshawa Harbour on 30 January 2016, same gull as on 25 January.


Adult Kumlien's Gull with medium grey wingtips. 30 January 2016.


This Kumlien's Gull has dark grey primary pattern. Its eyes are pale. I haven't seen this one before at Oshawa. 30 January 2016.


Link to Thayer's Gull:


Link to Kumlien's Gull: