I agree with Lou that looks like a case of leucism. Certainly that seems more probable, especially since this bird has some obvious pigment issues in its bill.
Dave
Search found 2 matches
- Sun Feb 05, 2012 7:52 pm
- Forum: Identification
- Topic: 3rd gen scaps on 1st winter Ylg?
- Replies: 4
- Views: 3191
- Thu Feb 02, 2012 11:08 pm
- Forum: Identification
- Topic: A very dark Kumlieni or Thayeri...
- Replies: 4
- Views: 4880
Re: A very dark Kumlieni or Thayeri...(long)
Hi Everyone, I live in St.John`s,Newfoundland. As many of you know we have a very large population of wintering kumliens gulls. One thing you notice if you look at the variation in our Kumliens gulls is that all supposed Thayer`s Gull characteristics and nominate glaucoides characteristics can occur...