This is called a Murmuration

Swarm behaviour, or swarming, may be a collective behaviour exhibited by entities, notably animals, of comparable size that combination along, maybe edge regarding an equivalent spot or maybe moving as a group or migrating in some direction. it's a extremely knowledge base topic. As a term, swarming is applied notably to insects, however may be applied to the other entity or animal that exhibits swarm behaviour. The term flocking is typically accustomed refer specifically to swarm behaviour in birds, gregarious to sit down with swarm behaviour in quadrupeds, shoaling or schooling to sit down with swarm behaviour in fish. flora additionally take in Brobdingnagian swarms referred to as blooms, though these organisms square measure protoctist and don't seem to be self-propelled the manner animals square measure. By extension, the term swarm is applied additionally to inanimate entities that exhibit parallel behaviours, as in an exceedingly automaton swarm, AN earthquake swarm, or a swarm of stars.

From a a lot of abstract purpose of read, swarm behaviour is that the collective motion of an oversized variety of self-propelled entities. From the attitude of the mathematical modeler, it's AN emerging behaviour arising from easy rules that square measure followed by people and doesn't involve any central coordination. Swarm behaviour is additionally studied by active matter physicists as a development that isn't in natural philosophy equilibrium, and in and of itself needs the event of tools on the far side those accessible from the applied mathematics physics of systems in natural philosophy equilibrium.

Swarm behaviour was 1st simulated on a pc in 1986 with the simulation program boids. This program simulates easy agents (boids) that square measure allowed to maneuver in line with a group of basic rules. The model was originally designed to mimic the flocking behaviour of birds, however it will be applied additionally to schooling fish and different swarming entities.