Phantasmal poison frog at Cologne Zoo | Photo: zoos.media 19. May 2020 education, media-echo « back Cologne Zoo: Night at the Aquarium Published on the Facebook page of Cologne Zoo the 16.05.2020. | By: Anna Rauhaus In this video, district zookeeper Anna Rauhaus invites us on a bioacoustic night expedition through Cologne Zoo‘s aquarium and provides exciting insights. » to the video Share this post