1.   It was always difficult to find protected mammals for dissection.

2.   The mammals were found in low waters on the Lakolk beach on the northern flank of Romoe, a popular island among German tourists in the summer.

3.   The mammals were found in low waters on the Lakolk beach on the northern flank of Romoe, an island popular with German tourists in the summer.

4.   Two more rare mammals are found at the conclusion of the river tours.