These predatory ants live in small colonies that typically consist of less than 30 adults.

He tried to estimate how many ants must be living on this one city lot, but he came out with an unbelievable answer in billions.

The ants live inside the plants' hollow stems and protect them from herbivorous insects.

The ants live under stones, fallen trees, and in soil.

There are many different species of fungus that grow alongside the domatia where the ants live.

A world where great ants lived deep underground.

Did such ants even live in Europe?

The ants live in the hollowed-out thorns for which the tree is named.

These host plants always have hollow thorns or branches in which the ants can live and form a colony.

The ants live in honeycombed cylinders they attach to the plant's stems.