The behavior of groups is one of the main fields in the studies of self-organization. This may be the way groups collectivly move towards a favorite food
source or nesting site, like it is described here.
But also the “simple” but well known movement patterns like herds, flocking, swarming or fish-schooling arise very interesting questions:
How can the whole flock act like single individuum ?
What individual behavioral patterns lead to this behavior ?
How does the whole flock prevent to bump into obstacles ?
How does it avoid predators ?
Some of these questions are solved and demonstrated by a special multi-agent models. The following ones are online available yet: