For humans, feces are last on the list of things we’d place near our mouth. In the animal world, that reaction does not always apply. Coprophagy is the act of eating feces, and for many species it ...

When I was living in Chicago, my landlady had a wonderful golden retriever that was incredibly friendly, smart and fun to play with - but he had one ridiculous habit: he liked to eat his own poop.

“Poop is central to the story of how dogs came into our lives," write Duke University dog researchers Brian Hare and Vanessa Woods in their wonderful new book, Survival of the Friendliest: ...