They will eat any creature that doesn't get out of their way fast. When one ant finds a food source it will mark the trail by dragging the tip of its abdomen over the surface of the ground.
Army ants live in parts of Africa and South America.
Army ants are sometimes called driver ants. When honey bees discover a new food source they tell the other bees where it is by bee dancing. The female hunting wasp learns about the area near her burrow to use as markers. For longer hunts she uses the sun until she can see her markers. She hunts things as big as a tarantula.