Yes, dogs really can feel jealous.
As we've recently learned, toddlers can feel schadenfreude. So how about dogs? Well, no one's tested them for schadenfreude (yet), but in this study, the researchers found that dogs experience a related emotion: jealousy. To test this, they watched dogs' reactions when their owners paid attention to either a stuffed dog or a jack o' lantern (a control). They found that the dogs displayed more jealous behaviors, such as snapping at the object and getting between their owner and the object, w