As a departure from the usual AAG photo challenge, in this issue readers are invited to identify four different individuals in a single image. At the expense of assuming too much, I suspect most readers will recognize that all four mystery species are gulls—a fact that may not thrill some, given that gulls are rightfully perceived as sometimes challenging to identify. To solve this identification puzzle, one of the first things to note among these gulls is that there are two large individuals and two smaller individuals.
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. Bird Observer publishes original articles on birding locations, on avian populations and natural history, on regional rarities, and field notes, Massachusetts field records, photographs, and art work.