collective behavior
social processes and events which do not reflect existing social structure, but which emerge in a "spontaneous" way
herd behavior
how individuals in a group can act collectively without centralized direction
fad
thing or behavior that achieves intense short-lived popularity and then fades away
social movement
loosely organized effort by a large group of people to achieve a particular set of goals
collective animal behaviour
coordinated behavior of large groups of similar animals
swarm intelligence
collective behavior of decentralized, self-organized systems
swarm behaviour
collective behaviour of a large number of (usually) self-propelled entities of similar size
food fight
chaotic collective behavior involving throwing food at each other