Zwarte stern Zwarte stern - De Leienf/41/640.0600280July 4, 2019Zwarte stern - De Leienf/41/1600.0600500July 4, 2019Zwarte stern (juv) - De Leienf/101/500.06001000July 4, 2019Zwarte stern (juv) - De Leienf/101/500.06001000July 4, 2019Zwarte stern (juv) - De Leienf/41/640.0600160July 4, 2019Zwarte stern (juv) - De Leienf/91/640.06001100July 2, 2019