When dogs show the whites of their eyes in a "half-moon" shape it can indicate stress. Kristina Stas/iStockphoto.com hide caption

toggle caption Kristina Stas/iStockphoto.com

Let's Not Hug It Out With Our Dogs

  • Download
  • <iframe src="https://www.npr.org/player/embed/476212898/476272586" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript