On 22 June ornithologist Vytautas Eigirdas caught another aquatic warbler (the second during this season) with French ring PARIS 7931152 in Lithuania, Alka polder.
Vytautas Eigirdas also rings aquatic warblers himself. He uses special colorful rings that help to identify every bird from a distance – every bird carries a unique color combination.
This year the ornithologist succeeded to catch and ring 70 aquatic warblers. He also registered 20 birds having colorful rings from previous years.
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