Harbour porpoises are the small cousins of the dolphins and the only native whales in German marine waters. They can be regularly observed along the coasts of the North Sea and the Baltic Sea, and they even appear in the large rivers of Northern Germany such as the Elbe. In this book children, teenagers and adults get to know the harbour porpoises: Where do they live? How intelligent are they? What can they do? With impressive photos and practical tips on how and where to observe harbour porpoises in our native nature and how to get involved in their protection. From the content: - Harbour porpoises up close: whale watching on your doorstep - endangering and protecting harbour porpoises - intelligence and social behaviour of harbour porpoises - abilities and characteristics of harbour porpoises - evolution of harbour porpoises.