Red ring with white three alpha code, starting 'V' (on left leg) and metal (on right leg).
note 1 :
Red ring with white three alpha code, starting 'V' (on left leg) and metal ring (on right leg).
Red ring with white three alpha code, starting 'N' (on left leg) and metal ring (on right leg).
White ring with a black three numeric code (on left leg) and metal ring (on right leg).
note 1 : birds ringed Isle of May, Fife, Scotland.
note 2 :
Red ring with a white three alpha code, starting letter 'V' (on left leg) and BTO metal ring (on right leg).
note 1 : birds ringed on offshore platform, southern North Sea.
Yellow ring with a black three alpha code, starting letter 'V' and a c-ring (as site-marker) above the metal ring (on opposite tarsus).
note 1 : birds ringed off north Wales.
Red ring with a white three alpha code, starting 'J' (on left leg) and metal ring (on right leg).
note 1 : birds ringed in eastern Scotland.
Yellow ring with a black three alpha-numeric code (number/letter/letter) and a c-ring with GLS tag above metal (on opposite leg).
note 1 : birds ringed Boulogne-sur-Mer, France.
Yellow ring with a black 3 alpha code, starting letter "H", "J" or "L" (on left leg) and metal ring (on right leg).
note 1 : birds ringed on Rockabill, County Dublin.
White ring with a black two alpha-numeric code (on either leg) and metal ring (on opposite leg).
note 1 : used codes are : 2 alpha-numerics : letter and number 3/4/6/7/9.
note 2 : birds ringed in North Sea (Netherlands).
note 3 :