This Adorable, Bushy Caterpillar Has a Venomous Trait It May Have Gotten from Bacteria Millions of Year Ago

Caterpillars might not be the first creature to pop into your head when you imagine venomous creatures, but this one has one of the most painful bites known to man. It’s not only highly venomous, but new research has revealed it evolved its venom with the help from some tiny, little friends.