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. Is the dolphinarium in Duisburg Europe’s largest dolphin cemetery? Dolphinarium opponents are excelling themselves with superlatives on the subject of Duisburg Zoo and its dolphinarium. Richard O’Barry has dubbed the Duisburg Zoo as … Continue reading Is the dolphinarium in Duisburg Europe’s largest dolphin cemetery?