Behavior Brief

A round-up of recent discoveries in behavior research

Written byBob Grant
| 4 min read

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The rock hyrax, Procavia capensis, abhors a heirarchyWIKIMEDIA, AMADA44

Equality for all...hyraxes

For rock hyraxes, small herbivores that are distant evolutionary cousins of elephants, it's not the size of their social networks that matter—it's the level of egalitarianism that exists in those networks, report researchers working in Israel. Tel Aviv University zoologist Amiyaal Ilany and colleagues observed populations of the social mammals in an Israeli nature reserve, and found that the animals formed interconnected groups of different types: some networks were characterized by more equality, with each individual sharing a similar number of relationships of roughly equal strength, while other groups were dominated by few individuals with larger and stronger networks. Ilany and his coauthors published their results in PLoS ONE last month, reporting that hyraxes in more egalitarian groups lived several years longer ...

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Meet the Author

  • From 2017 to 2022, Bob Grant was Editor in Chief of The Scientist, where he started in 2007 as a Staff Writer. Before joining the team, he worked as a reporter at Audubon and earned a master’s degree in science journalism from New York University. In his previous life, he pursued a career in science, getting a bachelor’s degree in wildlife biology from Montana State University and a master’s degree in marine biology from the College of Charleston in South Carolina. Bob edited Reading Frames and other sections of the magazine.

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