Common Baboons live on the Savanna in breeding groups called troops while females tend to stay with the troop, younger or less dominant males may leave to join a neighboring troop. This is an example of

3 answers

social structure and behavior in a primate species.
Natural selection, genetic drift, gene flow, mutation, mating preference?
This is an example of mating preference, as the younger or less dominant male baboons may choose to leave their troop in search of a different troop to join based on various factors such as competition for mates, social dynamics, and resources. This decision to leave and join a new troop can impact the genetic diversity and gene flow within the baboon population.