First successful breeding of a Vietnamese crocodile newt in Cologne Zoo | Photo: T. Ziegler 10. November 20229. November 2022 conservation, media-echo « back Conservation at Cologne Zoo: Reinforcements for the wild Published on choices.de the 25.10.2022. | By: Mareike Thuilot Species conservation projects at Cologne Zoo also provide reinforcements for the wild. The article takes a closer look at several species. » to the full article Share this post