Sterne caugec bagué couleur venant de l'Ecosse, en transit dans le port d'Anglet 64

note 1 : rings are red with letters using the letters A, B, C, D, F, H, J, K, L, N, P, S, T, V, Z.

note 2 : other colours and numbers may be used from 2011 but the first letter is always E.
note 3 : birds have been ringed in north-east Scotland by Grampian Ringing Group.
note 4 : 160 adults with red or yellow rings.

Dont la première lettre commence par un E