12. October 201716. January 2018 conservation, media-echo Species protection at the front door: the ringed snakes and Duisburg Zoo Exclusive for zoos.media – 15.02.2017. Author: Philipp J. Kroiß Duisburg zoo is actively supporting the survival of the ringed snakes in the ruhr area in the west of Germany with breeding, reintroduction and education. » more
11. October 201711. October 2017 animal welfare, anti-zoo-initiatives, history, media-echo Is the dolphinarium in Duisburg Europe’s largest dolphin cemetery? Exclusive for zoos.media – 31.12.2016. Author: Philipp J. Kroiß Our author considers an accusation made by dolphinarium opponents against the zoo in Duisburg. » more
