Zomergasten op Schiermonnikoog – episode 1 Arjan Dwarshuis 28.04.2015 Birding, Media 1 Like ShareFacebookTwitterGoogle+LinkedIn In case you missed it; you can watch the first episodeĀ Here Tags: birding, Schiermonnikoog, Thayer's Gull, twitching, Zomergasten Arjan Dwarshuis birding@arjandwarshuis.com