Crop?image_url=http%3a%2f%2fs3.amazonaws.com%2fproduction.calumet.good.is%2fbookmarks%2fphotos%2f000%2f186%2f012%2foriginal%2fwhat-are-dogs-saying-when-they-bark_1

What Are Dogs Saying When They Bark?

In this excerpt from a new book, two canine intelligence researchers explain how dogs use barks to communicate.