ScienceBird counting on FehmarnTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience04/04/2014April 4, 2014For 14 years, Bernd Koop has been counting and researching migratory birds on the Baltic Sea island of Fehmarn. His expertise is in big demand with planners of wind farms - especially when it comes to planning the turbines' height.https://p.dw.com/p/1BbhDAdvertisement