civil

Instead of civil war, naked mole rat colony peacefully replaced queens

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Naked mole rats live in underground colonies. Usually only one female breeds at a time. Sometimes fights break out when one queen retires and it's time for another to rule.

Naked mole rats live in underground colonies. Usually only one female breeds at a time. Sometimes fights break out when one queen retires and it’s time for another to rule. Evgeniya Moskova/iStockphoto/Getty Images hide caption toggle caption Evgeniya Moskova/iStockphoto/Getty Images When the Salk Institute for Biological Studies in San Diego acquired the first colony of … Read more

How a group of chimpanzees started a ‘civil war’ in a once-close-knit community | CNN

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In 2015, Ngogo chimpanzees wince when they hear the voices of other chimpanzees, reassuring each other.

Aaron Sandel can pinpoint exactly when it all started. On June 24, 2015, the co-director of the Ngogo Chimpanzee Project was observing a herd of great apes in Uganda’s Kibale National Park, where the project is based, when he suddenly noticed that the chimpanzees were silent. Some of the people started frowning, their expressions showing … Read more