Wei Cheng Jian captured footage of a long green worm-like animal with a pink protrusion that looks like another worm crawling out of it. The creature is believed to be a ribbon worm, or nemertea. The ribbon worm generally lives at sea but has been known to crawl onto land. The pink worm-like appendage that appears to have a mind of its own is called a proboscis, which the worm uses to obtain food. (Source)