Larvae of a Ziegler's crocodile newt born in Cologne Zoo | Photo: zoos.media 22. December 202221. December 2022 conservation, media-echo « back Ziegler’s crocodile newt: Namesake becomes patron saint Published on citizen-conservation.org in December of 2022. This report describes a very peculiar species named after the conservationist Prof. Thomas Ziegler, who actively works to protect it at Cologne Zoo. » to the full publication Share this post