Скачать или смотреть Flocking Behavior of small birds

A flock is a group of birds flocking behavior in flight, foraging. akin herd aggregating flocks specific purposes. Flocking costs, socially subordinate birds, bullied dominant birds; birds may also sacrifice feeding efficiency in a flock in order to gain other benefits. benefits safety numbers and increased foraging efficiency. Defense against predators ambush and early warning provided by multiple eyes important, development composed of small numbers of many species, increasing the benefits of numbers reducing potential competition resources.
In birds, flocking behaviour can be observed beautifully in flight when often huge flocks of birds cover an area in the sky, flying around apparently without coordination but also without any collisions. Three general rules guide flocking behaviour
sepration: dont step on your neighbours toes (or claws), avoid crowding;
Alignment: keep in line and steer toward the average direction of the neighbours;
Cohesion: keep the structure and steer toward the average position of the flock
It is an instinctive behavior that follows simple rules and does not require central coordination