Beachgoers in Binz, an idyllic town on the German Baltic Sea island of Rügen, are encountering unusual sunbathers this summer -- and no, it's not just the droves of naked former East Germans . Seals have been napping and enjoying the summer rays at beaches all across northern Germany. The seals, mostly young animals, aren't sick -- they're just taking a break from a busy life of frolicking in kelp forests and fishing for herring. The Baltic Sea is home to two species of seal: the common seal and the gray seal. During the past century, hunting led to a decimation of seal populations in the Baltic Sea, but their numbers are slowly growing again.