confusing gulls

Kumlien's Gull?	Herring Gull?	Herring Gulls... Any thoughts about the Herring Gull on the right?	Herring Gulls... Any thoughts about the Herring Gull on the right?	Close-up of the Herring Gull on the right
Likely Kumlien's Gull (originally labeled as Thayer's Gull)	Pale Herring Gull - possibly European?	Pale Herring Gull - possibly European?	Pale Herring Gull - possibly European?	Pale Herring Gull - possibly European?
Pale Herring Gull - possibly European?	Pale Herring Gull - possibly European?	Pale Herring Gull - possibly European?	Pale Herring Gull - possibly European?	Pale Herring Gull - possibly European?