Who Gives a Poop?: Surprising Science from One End to the Other by Heather L. Mo

Poop, doo-doo, scat, feces, whatever you call it, it's everywhere. And it's disgusting. One woman spent three months videotaping elephants, giraffes, and rhinos pooping in the zoo. In a quest for precious cheetah poo another scientist army-crawled through the mud risking her life between an adult elephant and a water buffalo.

eBay