Dörte looks curiously through a pane in the Dolphinarium of Duisburg Zoo | Photo: zoos.media Posted on 16. December 202015. December 2020 history / media-echo « back Roland and the Bottlenose Dolphins Published on meeresakrobaten.de the 08.12.2020. | By: Susanne Gugeler Roland Edler has spend almost 40 years as a zookeeper together with the dolphins at Duisburg Zoo. During this time he has made many experiences. » to the full article Share this post
