Rosset, Marc Olivier, and Hans-Ulrich Blatter. “Keeping and Breeding the North-Atlantic Puffin (Fratercula Arctica Linnaeus, 1758) in the Animal Park Berne”. Journal of Zoo and Aquarium Research 7, no. 1 (January 31, 2019): 31–36. Accessed April 25, 2024. https://jzar.org/jzar/article/view/371.