grey seals are the largest predators to the Wadden sea coast and were exterminated more than 100 years ago, due to strong hunting almost. Only in the second half of the 20th century. Century of the animals from UK waters returned into the German Wadden sea.

last summer, an increase in grey seals has been observed in the North sea. In the period to 2018/19 were counted in the German, Danish and Dutch Wadden sea 6538 animals, nearly 400 more than at the census before that.