Four Kumlien's Gulls and their eyes at Oshawa Harbour

1. Adult winter Kumlien's Gull with small amount of grey in wingtips. Very pale eye and showing pinkish orbital ring - see close-up next photo. Oshawa Harbour on 25 January 2016

1. Same gull as above Very pale eye and showing pinkish orbital ring. May be molting into breeding plumage.

2. Adult winter Kumlien's Gull with medium grey wingtips. Greyish eye with brown flecks - see close-up next photo. Some winter head streaking. Oshawa Harbour on 24 January 2016.

2. Same gull as above. Greyish eye with brown flecks.

3. Adult winter Kumlien's Gull with medium grey wingtips, a dark brownish-grey eye (see close-up next photo) and ample winter head streaking. Oshawa Harbour on 24 January 2016.

3. Same gull as above with dark brownish-grey eye.

4. Adult winter Kumlien's Gull with dark grey wingtips. Pale greyish eye with flecking - see close-up next photo. Some winter head streaking. Oshawa Harbour on 24 January 2016.

4. Same gull as preceding one. Pale greyish eye with flecking.

Link to: Thayer's Gull adult in winter plumage at Oshawa Harbour, Ontario on 25 Jan 2016