| Referens | Hüppop, O., J. Dierschke, K.-M. Exo, E. Fredrich and R. Hill, 2006 Bird Migration and Offshore Wind Turbines. In Ch. 9: 91-117. Köller, J., J. Köppel and W. Peters (eds.). Offshore Wind Energy, Research on Environmental Impacts. Springer: Germany. 371 pp. |
| Ref. | 96348 Hüppop, O., J. Dierschke, K.-M. Exo, E. Fredrich and R. Hill, 2006 |
| Sida | 102 |
| Named Used as Valid | Mergus serrator |
| Observationsplats | |
| Distribution | Helgoland, German North and Baltic Seas. |