Red ring with a white two alpha-numeric code (on right tarsus) and metal ring (on left tarsus).
note 1 : used codes are : A1-A9, B1-B9, C1-C9, D1-D9, E1-E9, F1-F9, G1-G9, H1-H9, J1-J9, K1-K9, L1-L9, N1-N9, P1-P9, S1-S9, R1-R9, T1-T9, V1-V9, X1-X9, Z1-Z9.
note 2 : birds ringed in the North-West of the UK.
note 3 :