But there were giant squid bodies long before we managed to find a live specimen. We also found many beaks on sperm whale stomachs that showed they did exist. S

But there were giant squid bodies long before we managed to find a live specimen. We also found many beaks on sperm whale stomachs that showed they did exist. So while a great discovery, there was reasonable evidence of it's existence before the first intact bodies and video images. Is there any evidence like this for sea serpents?