Lesser Black-backed Gull at Long Wharf, Boston
9/13/2001

This gull has been reported by various observers over the past few years.
It now appears to be an adult/fourth summer bird, in summer plumage. It is molting coverts.
Note the reduced white in the primaries.
It is very approachable. . .

well, it might complain a bit,

but it usually calms down.