During my studies, I already worked at Zurich Zoo. I even worked rather more for Zurich Zoo than for my studies. So it took very long until I finished my PhD on the social behavior of colored peccaries. I finished it only in 1976.
During my studies, I already worked at Zurich Zoo. I even worked rather more for Zurich Zoo than for my studies. So it took very long until I finished my PhD on the social behavior of colored peccaries. I finished it only in 1976.