The Idea of Stashing Food for Leaner Times

The idea of stashing food for leaner times is something that many of them have inherited from their wolf ancestors. And so a lot of people will see this in dogs burying a treat they're given or a toy. It's kind of a vestigial impulse. Are they thinking consciously, boy, I want to save this for some other time? We don't know. They might be. But yes, it does seem to be thinking about a future time and planning for that.