
Penguins, the way they waddle around and protect their eggs, are often thought of as cute, cuddly and romantic. But those who observe them for extended periods know they have a dark side. Two aquariums in Japan, Kyoto Aquarium and Sumida Aquarium, have been keeping obsessive tabs on their penguins, maintaining an updating annual flowcharts that visualizes all their penguin drama. They recently dropped their 2026 versions, and this year there are English versions!
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