Why selfishness can lead to fairness
The reason why many animals organize themselves within herds is not necessarily the result of gregariousness or social behaviour. One example is seals: On their own, they are easy prey for orcas or sharks. Instead, it is much safer within a group, because then the danger of an attack is spread out among many individuals. It is safest in the middle of the group where animals are crowding together in a very small space and an attack there is more likely to target a close neighbor than oneself. At…
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