The harbour seal is widespread throughout the Limfjord. On the isthmus of Agger Tange, you can almost always see seals lying on the sand banks east-southeast of the house here. From the roof, using a good pair of binoculars, you can see up to 350-400 seals. The seals can also be seen from the ferry during the crossing. The harbour seal feeds on fish, depending on the season, caught in the Limjord and the North Sea, respectively. On rare occasions, you may be lucky enough to see the somewhat larger grey seal (Halichoerus grypus).