FreeLists / va-bird / [va-bird] Re: Lawrence's Vs Brewsters types at Richard G Thompson

[LeighTern@xxxxxxx]

Va birders,

An all yellow bird with bluish wings and two white wingbars ie. basically a 
bird that in all respects looks like a Blue-winged Warbler but is singing the 
4 note Golden-winged warbler, is this bird a Lawrence's type or Brewster's or 
just a Blue-winged Warbler. In other words is the wrong song enough to 
classify the bird as a hybrid or do you have to see field marks that resemble 
either the Lawrence's or Brewster . There was one aspect about this bird that 
seemed a little different from a Blue-winged and that was the dark eye line 
seemed slightly more pronounced than on a typical Blue-winged but I haven't 
seen thousands of Blue-wings to really no for sure what too pronounced a dark 
eye line would actually be. 

Any ideas???

William Leigh
Winchester VA




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