Combination of c-rings.
note 1 : a combination of c-rings on left and right tibia and tarsus.
note 2 : birds are also tagged with telemetry.
note 3 :
Yellow ring with a one alpha (or numeric) code.
note 1 : translocation program in Hautes Fagnes Natural Park.
note 2 :
Red ring with a one numeric (or alpha) code.
Red ring with a one alpha (or numeric) code.
White ring with a two alpha-numeric code (separated by a vertical line).
Black wingtag with a white two alpha-numeric code.
note 1 : used starting-letters are A, B, C, D or F.
note 2 : same combination is used on both wings.
Red ring with a white three alpha-numeric code (2 letters and 1 number).
note 1 :