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Record-breaking amount of common tern

Today, in the reservoir in Kaleńkso, we discovered a record-breaking amount of common tern Sterna hirundo. In the photograph below 146 birds can be distinguished, and these are not all of the specimen that were captured in the frame. We can speculate that at the moment when the photograph was taken there were around 200 birds flying around the island!


zdowRecord-breaking amount of common tern