Grant's Zebra Social life Zebras live in family partys of from 5 to 20 head. A typical herd is composed of 2 to 5 adult females, a herd stallion and some young. Males unable to become herd stallions join bachelor herds. Both types of herds are highly stable and their members may stay together for years, only the growing youngsters leave. Every zebra has unique stripe patterns by which it is recognized by the others.
Frequent grooming acertains the close bonds between the members of a family.
Zebras have no territoriality, the range they use overlaps with that of many other family groups and changes in size and location with the season. Between the females is a pronounced hierarchy of rank. The dominant females will often displace subordinates from a good feeding patch. Rival stallions fight very fiercely by biting and kicking. Females come in oestrus every 14 month and will adopt a special gesture with tail up and legs apart.