Since at least 2009, this adult Kumlien's Iceland Gull has returned to the same marina to spend its winters. Most interesting is that it holds a strict winter territory similar to a raptor. It perches atop a "No Wake" sign at the harbor mouth and does not associate with the other gulls. In fact, any gull that enters the harbor mouth is swiftly chased off by this northern beauty:
Adult Kumlien's Iceland Gull. Hammond, IN. 24 December 2012.