Most, if not all, Bonaparte's Gulls I saw this morning were black-headed.
On Apr 13, 2011, at 9:08 AM, Marie P Read wrote:
> Folks who're seeing the Bonaparte's Gulls: are they in breeding plumage?
> still changing? I'm the photo editor for the bird club's upcoming book about
> birding sites i
Folks who're seeing the Bonaparte's Gulls: are they in breeding plumage? still
changing? I'm the photo editor for the bird club's upcoming book about birding
sites in the basin, in which we include small photos of some typical birds for
each site. I have the option of choosing a Boney in breedin
