Kelp Gull 3rd record for Portugal

At Faro sewage works, Thijs Valkenburg and Diogo Amaro, spotted this Kelp Gull/Cape Gull  Larus dominicanus during this week (14-08-2013)

  

 Adult or near adult birds defenetly made their appearence noted this year in the Portuguese coast, but what about 1 cycle birds and forward plumages? For the WP birders hoping to find one, a must read article Identification of 1cycle Larus dominicanus vetula: The Cape Gull of good hope by Chris Gibbins.