This fluffy looking, furry little caterpillars seem harmless, and it could pull off a look so cute, you could feel like keeping them as pets. Bear in mind, that the puss caterpillar is no way whatsoever close to a cat. While the puss caterpillars are amazing to look at, Florida scientists warn the public not to touch if they ever see one. Beneath all those fur, the puss caterpillar hides venomous bristles that if touched, may cause excruciating pain. According to these Florida scientists, the puss caterpillars are one of the most poisonous animals in Florida, with the toxin from its bristles could cause pain which is beyond the sting of scorpions, jellyfish and wasps.