Twin brothers of spotted hyenas are often attracted to the same new group when they disperse from their birth group

In most mammals, males disperse to a new group after reaching sexual maturity. Dispersal often entails costs and is risky. New results from spotted hyenas show that males from the same birth group – and particularly twin brothers – very often disperse together and choose the same group to breed. The coordination is likely the combined result of males having similar preferences when they have a similar social and genetic background, and of related males actively sticking together to support one another.

Quelle: IDW Informationsdienst Wissenschaft