waddensea destinations sightseeing ships wad144 animal wildlife wetland waddenzee reserve waddenisland wadden wad the seal sea mammal sea sanctuary vessels province protection preservation phoca vitulina north noord holland noord netherlands nature natural national park mammal island holland european europe europa environmental issue dutch daytime day conservation common seal captured captivity Netherlands Jochem Wijnands zeehond vrijlaten outside outdoors seaside coastal coastline woman release releasing cages freedom watch watching independence free save sandbanks travel trips traveling travelling Ecomare Texel the releasing of common seals on the sandbanks of the wad
