Iceland Gull Larus glaucoides
Gaviota-branca (Gaivota-polar)
Ponta Delgada, São Miguel
© Gerbrand Michielsen, Portugal
Birding Azores
One of the piers in Ponta Delgada harbour. A lot of local Yellowlegged Gulls (Larus michahellis atlantis), 3 Great Black-backed Gulls (Larus marinus), 1 partly obscured Ringbilled Gull (Larus delawarensis) and 7 large white gulls of which at least 5 Iceland Gull (Larus gluacous) and at least 1 Glaucous Gull (Larus hyperboreus).

  Enlarge picture.