20-12-2019
Ring-billed Gull, Larus delawarensis
1 ad.
Jezioro Wulpińskie, pow.olsztyński, woj.warmińsko-mazurskie
obs./info: Marcin Łaguna / Ornitolodzy Warmii i Mazur (FB)
Returning bird, colour-ringed in December 2005 at Szczecin.
Returning bird, colour-ringed in December 2005 at Szczecin.