Male Drill (Mandrillus leucophaeus) at Hanover Adventure Zoo | Photo: zoos.media 15. March 201914. March 2019 animal welfare, media-echo « back Are zoo animals prisoners? Published on meeresakrobaten.de the 03.03.2019. | By: Marcel Stawinoga Zoo opponents repeatedly speak about animals in the zoo, as if they were prisoners or imprisoned. The article tackles exactly this topic. » more Share this post