Atlantic Yellow-legged Gull (atlantis)
(last update: October 12, 2011)
Atlantic YLG (atlantis) 1cy, September 17 2012, Povoacao, Azores Islands. Picture: Chris van Rijswijk.
Post-juvenile moult in scapulars just started, which is much later than in nominate michahellis from the Mediterranean, but in line with lusitanius.
