18 August 2009

Ad. Lesser-black backed gull (L. fuscus), 09-08-09






Ad. Lesser-black backed gull (L. fuscus), 09-08-09. Maybe individuals of both graellsii and intermedius have already arribed back from the breeding grounds.

17 August 2009

13 August 2009

12 August 2009

11 August 2009

Ad. Black-headed gull (L. ridibundus), 09-08-09.



Ad. Black-headed gull (L. ridibundus), 09-08-09.

Ad. Yellow-legged gull (L. michahellis), 09-08-09.




This animal was colour ringed as a chick in the Ebro delta.


Ad. Yellow-legged gull (L. michahellis), 09-08-09.