At Dafundo 13.01.2012 Black JL on left tibia, 3rd winter Lbbg ringed in Netherlands by Roland Jan Buijs
At Docapesca / Algés parking lot 13.01.2012 blue YI on the left tibia, ringed in Netherlands by Roland Jan Buijs.
A nice Ylg Larus michahellis, from january on Ylg start to loose their winter head streaking.
1st winter Lbbg Larus fuscus, a fairly typical individual with moulted dark grey sadle, contrasting with still juvenille coverts and tertials