Within a male group, 4-5 males may form temporary subgroups that change size and members each day.

In some species, males and females form lifelong pair bonds.

Mongooses are mostly solitary although males will sometimes form social groups and share burrows.

During the breeding season, males and females form pair bonds to get acquainted.

A male and female will form a breeding pair.

At this time the males form territories within which the females lay 100,000 to 300,000 eggs on water plants.

A male and female can form consortship and mate outside their community.

The four males formed an outer circle between the females and the darkness.

During incubation, males leave the females and form their own feeding flock.

The males formed a circle, as if they were warriors bracing to meet an attack from all sides.