It takes two to tangobut in the wild, two can do much crazier things than dance. In Things That Make You Go Yuck!: Odd Couples, you'll find out about nature's strangest dating rituals, cooperative couples, and parasitic pests. You'll explore symbiotic pairings like crabs that carry sea urchins on their backs, and hybrid "franken-species" that seem like something out of a science-fiction tale. Whether it's nature's slimiest organisms or the weirdest mutations, Things That Make You Go Yuck! celebrates survival of the fittest, grossest, craziest, and creepiest things in nature, proving once and for all that life in the wild is anything but ordinary.