Ad Yellow-legged gull (L. michahellis), 23-5-09

Ad Yellow-legged gull (L. michahellis), 23-5-09. Various examples

4 cy Yellow-legged gull (L. michahellis), 23-5-09

4 cy Yellow-legged gull (L. michahellis), 23-5-09. Various examples

3 cy Yellow-legged gull (L. michahellis), 23-5-09

3 cy Yellow-legged gull (L. michahellis), 23-5-09. Various examples

3 cy Yellow-legged gull (L. michahellis), 23-5-09

3 cy Yellow-legged gull (L. michahellis), 23-5-09. Various examples

2 cy Yellow-legged gull (L. michahellis), 23-5-09

2 cy Yellow-legged gull (L. michahellis), 23-5-09 various examples

2 cy Yellow-legged gull (L. michahellis), 23-5-09

2 cy Yellow-legged gull (L. michahellis), 23-5-09 various examples

1 w Caspian looking gull (Larus sp.), 03-03-06

1 w Caspian looking gull (Larus sp.), 03-03-06. Another individuals seen in the same flock that one appearing in the entry of the May 22th

2 cy Lesser-black backed gull (L. fuscus), 23-5-09

2 cy Lesser-black backed gull (L. fuscus), 23-5-09

1 w Caspian looking gull (Larus sp.), 04-03-06

1 w Caspian looking gull (Larus sp.), 04-03-06. Many things look good for Caspian, however it's not very obvious and the pictures are not the best.

1 w Yellow-legged gull (L. michahellis), 18-03-06

1 w Yellow-legged gull (L. michahellis), 18-03-06. I was taking these pictures while Chirs Gibbins was finding the first Bonaparte's Gull in the area. White headed individual with many grey scapulars and markings in the neck.

1 w Yellow-legged gull (L. michahellis), 06-04-06

1 w Yellow-legged gull (L. michahellis), 06-04-06. Dark individual showing a restricted post-juvenile/winter moult ringed in the Ebro delta as a chick

Ad or near ad Audouin's gull (L. audouinii), 11-06-05

Ad or near ad Audouin's gull (L. audouinii), 11-06-05

Ad Audouin's gull (L. audouinii), 13-04-05

Ad Audouin's gull (L. audouinii), 13-04-05.

1w Caspian gull (L. cachinnans), 06-04-06

1w Caspian gull (L. cachinnans), 06-04-06

1w Caspian gull (L. cachinnans), 06-04-06

1w Caspian gull (L. cachinnans), 06-04-06

Ad Kittiwake (Rissa tridactyla), 02-02-09

Ad Kittiwake (Rissa tridactyla), 02-02-09. After the big storm of some days before, a big influx was seen in the Mediterranean, more than 150 individuals in the area. In teh picture we can see Camil Albert feeding them.

1w Yellow-legged gull (L. michahellis) and Lesser-black backed gull (L. fuscus), 19-10-05

1w Yellow-legged gull (L. michahellis, up) and Lesser-black backed gull (L. fuscus, down), 19-10-05. Compare tail patterns

3 w Yellow-legged gull (L. michahellis), 13-04-05

3 w Yellow-legged gull (L. michahellis), 13-04-05. Immaturity traces in 3rd winter birds are usally restricted to primary coverts and alula.

1 w Caspian gull (L. cachinnans), 20-2-06

1 w Caspian gull (L. cachinnans), 20-2-06. The first Caspian ever seen in Catalonia found by Joan Ferrer at Tarragona harbour.

2 W Yellow-legged gull (L. michahellis), 30-1-07

2 w Yellow-legged gull (L. michahellis), 30-1-07. The individual is caspian like sitting on the water but there's no white mirror on P10, the undertail coverts are widely barred and the general structure when sitting in the sand is less caspian looking. Maybe some Caspian genes but maybe only just individual variation.