If the selection and the crossings made it possible to pass from 60 to 300 eggs per year, the chicken preserves behaviors of a jungle chicken.
Domestic chickens are social animals which form a coherent social structure, when possible and communicate by calls, contacts and visual demonstrations. A chicken can "know" up to 50, even sometimes 100 congeneric. In small groups, a pecking ordre is established. The strongest chicken can prick all the others. The order is decreasing according to the strength of the animals; thus weakest can be pricked by all the others.
The domestic chicken presents, if possible, the same broad range of behaviors of comfort and grooming that its ancestors of the jungle. That includes the rectification and tousling of feathers, the stretching of the wings and the bath of dust.
The domestic chicken preserved vis-a-vis predators many behaviours such as immobility, alarm cries, sudden attempts to escape from danger.
It also preserved a behavior of court when the 2 sexes are represented in the same group.
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