Monthly Notables September 2015
- Slaty-backed Gull (3rd cycle type). Potter County, Texas. 01 September 2015.
- Observer field notes and photos all point to this species.
- Slaty-backed Gull (adult). Pierce County, Washington. 02 September 2015.
- Unprecedented for the lower 48 states, this individual is thought to be a returning bird since 2012.
- Western Gull (1st cycles). Imperial County, California. 02 September 2015.
- 5 individuals. Good count for Salton Sea. Slowly increasing here.
- Glaucous Gull (2nd cycle). Grays Harbor County, Washington. 04 September 2015.
- Little Gull (juvenile). Roseau County, Minnesota. 05 September 2015.
- Laughing Gull (juvenile). Iowa County, Iowa. 07 September 2015.
- Lesser Black-backed Gull (3rd cycle). Imperial County, California. 13 September 2015.
- Little Gulls (adult and juvenile). Porter County, Indiana. 08 September 2015.
- The same two individuals (presumably) were sighted again, in Berrien County, MI on 12 September 2015. Adults are rarer on the southern edge of Lake Michigan.
- Red-legged Kittiwake (adult type). Callam County, Washington. 08 September 2015.
- California Gull (1st cycle). Douglas County, Wisconsin. 16 September 2015.
- A very cooperative bird associating with Ring-billeds for several days.
- Glaucous Gull (2nd cycle). Ottawa County, Michigan. 19 September 2015.
- Ross's Gull (adult). Les Escoumins, Quebec. 19 September 2015.
- Likely the same individual that was recorded in this area last month on 04-06 August 2015.
- Laughing Gull (adult). Monterey County, California. 20 September 2015.
- Herring Gull (adult). Berrien County, Michigan. 20 September 2015.
- New longevity record. A banded adult found in New Buffalo has been identified by the Bird Banding Lab as the oldest known American Herring Gull in North America: 29 years and 3 months.
- Black-headed Gull (adult). Barnstable County, Massachusetts. 20 September 2015.
- Thayer's Gull (1st cycle). St. Louis County, Minnesota. 24 September 2015.
- Black-legged Kittiwakes. Barnstable County, Massachusetts. 27 September 2015.
- Seen all throughout September. High count 50. Mostly adults. Juveniles began arriving as early as 16 September 2015. Also sightings in both Suffolk and Norfolk Counties.