Animals We Had No Idea Were Actually Shockingly Massive

A South American Snake The Size Of An 18-Wheeler

We should probably be happy that this monster snake dined mainly on fish. They must have been pretty massive fish though, perhaps even ones that are elsewhere in this very article. Nonetheless, it's enough to make your skin crawl knowing that these gigantic creatures were out there living somewhere, and somehow even worse that they could be hiding in the murky depths of streams and rivers, just waiting for us to dip our toes in.

The one consolation is that this specific species, Titanoboa, is said to be extinct. The bad news is there's no way to prove that something is extinct, we just have to assume since it hasn't been seen. But remember how they lurk at the bottom of muddy rivers and streams? Watch your toes...