Orange wingtag (on both wings) with a black three alpha-numeric code.
note 1 : birds ringed in the area of Weimar (Thüringen, Germany) since 2012.
note 2 : used codes are : A00-A92.
note 3 : in the future codes like A93-A99, C00-C99, E00-E99, F00-F99 and H00-H99 will be used.
note 4 : the letters B, D and G are NOT used.
note 5 :