The former leave their natal groups while the latter remain.

Males generally leave their natal group between 3 and 6 years of age.

Young males spend little time alone after leaving their natal groups and quickly integrate into a new group.

While females remain in their natal groups, males will leave when they reach adulthood.

Most males, and about 60% of females, leave their natal group.

Young females usually left their natal group when they were fully mature, at about two years old.

The reason young males leave their natal group is also contested.

Not much is known of the reasons marmosets leave their natal groups.

Some females may leave their natal groups as well, although they tend to be more philopatric.

Males leave their natal groups when they are six years old and stay along the boundary of the social group.