Latest captures:
605 at Filisur, Oct 28, 2023
603 at Ilanz, Aug 12, 2023
610 at Bever, Aug 24, 2022
605 at Ilanz, May 18, 2022
Older captures:
604 at Filisur Bahnhof, Sep 5, 1987
610 at Bever Bahnhof, Feb 22, 1988
601 at Davos Platz Station, Jul 24, 1992
silvan discovered on Jan 5, 2011
