mcveedLoc: Kelowna, British Columbia (between trips)
Cibafan wrote:
The picture was taken in late September 2014 off the coast of Cape Cod, Maine.
Then most likely an immature Ring-billed gull, second choice immature Herring gull. Basically identical except for size; Herring gull is larger at 24" length where the Ring-billed is only about 18". Theyer's gull is similar but, according to NG Society book, it is a west coast bird.