It always puzzled me that certain animals are born with abilities or understandings of things they have never experienced.
In: Biology
if you had 100 sheep and 10 of the sheep were afraid of water, and would not go in it, and 10 were very good swimmers and the other 80 where somewhere in between. If the shepherd had to get those sheep from pasture “A” to pasture “B”, across a small shallow river, at least 10 sheep would not cross. If the shepherd was to lazy, or tired, or weak to help the non-swimmers across they would eventually be eaten by wolves.
In this way, the non-swimming instinct would be eliminated from this group of sheep.
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