
Roger Sidler
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Roger Sidler is a freelance historian based in Bern, known for his contributions to the Historical Lexicon of Switzerland and his recent work on the historical significance of zoo animals, with a forthcoming book titled 'Zootiere als Zeitzeugen'.
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Roger Sidler is a freelance historian who has written about the history of zoos in Switzerland.
Im Tierpark von Bern wurden einst Wellensittiche für die Forschung freigelassenNeue Zürcher Zeitung·
Switzerland· 2025-03-06



