Peaches fur or peach fuzz protects the fruit from insects. Mainly because if a fly lands on a fruit, the fly would think the fruit was an animal. The reason peaches are furry or fuzzy is only speculated, but scientists think it was developed to give the fruit more resistance to insects and diseases. In prehistoric times there was the woolly peach that looked like a sheep, without legs or a head. This thick coating of wool helped the peach survive the ice age and it evolved into the fuzzy peach we eat today.