seals with pups resting on sandbar in the dollard at high tide, punt van reide, groningen, netherlands

animal animals beach coast coastline conservation copy copyspace dike dollard dutch ecology ecosystem eems environment estuary europe european groningen gronings group habitat harbor high hightide holland mammal mammals marine motherhood mothers natural nature netherlands north nursery phoca punt pups reide reserve rest resting sandbanks sandbar sea seal seals shoreline space termunten tidal tide van vitulina wadden waddensea water wild wildlife young