Top 10 Creepy Animal Facts That Will Keep You Up at Night

VOICE OVER: Rebecca Brayton WRITTEN BY: Caitlin Johnson

Mother Nature can be a cruel mistress. For this list, we're looking at the strangest, grossest, and most unsettling parts of the natural world. Our countdown includes Koalas Have Chlamydia, Leeches Can Grow to Be Huge, Cockroaches Are Nearly Invincible, and more! read more...