In contrast, transhumance pastoralists travel with their animals between specific traditional locations, such as summer mountain pastures and winter lowland pastures where they often have established villages. Patrilineages usually consist of a number of related nuclear families . With this pattern, people are related if they can trace descent through males to the same male ancestor. Both males and females inherit a patrilineal family membership but only males can pass it on to their descendents. The phratry founding ancestor is so remote genealogically that he or she is usually mythical.
Phratries are larger and more inclusive kinship groups than unilineages and clans.
Sudanese naming system a kin naming system in which kinsmen are not lumped together under the same terms of reference. Each category of relative is given a distinct term based on genealogical distance from ego and the side of the family. Totem origins are so far back in time that they are often believed to be non-human. Totems are used as symbols of clans. When they are believed to be particular kinds of animals or plants, killing or eating them is usually not allowed.