In the rigid social universe of Revenge of the Nerds-style 1980s movies, jocks beget jocks beget jocks, and the bespectacled geeks they push around beget generations of the same. But could being a victim of social bullying actually be inherited? A new study of DISCOVER's favorite rodent, the marmot, shows that at least in the animal kingdom, the answer can be yes. Daniel Blumstein and colleagues tracked yellow-bellied marmots that make their home in the Colorado Rockies for a five year period, from 2003 to 2008. For their study out in the Proceedings of the National Academy of Sciences, the team tracked the family relationships of the individual marmots, as well as who antagonized whom.
Marmots don’t have Facebook yet, but animals living among clusters of burrows in Colorado do interact enough for observers to plot networks with each marmot as a node. An exchange might be friendly, such as ...