Red ring with white code:

F-letter-letter-number
number-E-number (3E1-5E0)
S-number-number

Vladimir Slobodnik, Slovakia Bird Ringing Centre, Dlhá, 3971 01 Prievidza, Slovakia.

tel./fax.: 00421 465425094.

e-mail: vslobod"at"sopsr.sk

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