Yellow ring with a black three alpha-numeric code (left leg) and metal ring (right leg).
note 1 : codes used : "Z" / letter / number.
note 2 : birds ringed in Yorkshire area, UK.
note 3 :
Yellow wingtag with a black two alpha-numeric code (number/letter).
note 1 : tag on each wing.
note 2 : “Conservation Action” ringing group.
White ring with a black four alpha-numeric code : starting letter "R" followed by three numbers.
note 1 :
Yellow ring with a black two numeric code.
note 1 : before the two numbers a ":" is placed.
note 2 : used codes are : :00 - : 99.
Grey/silver ring with a three alpha code (one letter upper and two letters under).
Red ring with a white two alpha code (on left leg) and metal ring (on right leg).
note 1 : codes start with "A", followed by a letter.
note 2 : birds ringed in West Suffolk & Norfolk Breckland, UK.
Yellow ring with a two alpha code.
Yellow wingtag with black 3 alpha-numeric code.
note 1 : used letters are A, C, F, H, J, L, M, N, P, R, T, U, V, W and X.
note 2 : used numbers are 0 - 9.
note 3 : birds ringed since 2017.
note 4 : PVC ring with same code.
note 5 :
Yellow wingtag with black 3 numeric code.
note 1 : used numbers are : 0 - 9.
note 2 : birds ringed since 2017.
note 3 : PVC ring with same code.
note 4 :
Yellow wingtag with black 3 alpha code.
note 1 : used letters are: A, C, F, H, J, L, M, N, P, R, T, U, V, W and X.