Thayers - 6 (1 adult, 2 second-year, 3 first-year)
Iceland (Kumlien's) - 1 (first-year)
Glaucous - 1 (adult)
Great Black-backed - 1 (first-year)
Ring-billed - 100+
Herring - 1000+
The adult Thayer's and adult Glaucous are super-early birds, the former doesn't usually show up till mid-December and the latter in mid-November. GBB is fairly rare around here, as are Thayer's - Iceland (Kumlien's) is usually the most common northern gull.
Great Black-backed Gull 1st-year