Little signals that are easy to miss Most dog owners know the obvious signs of stress. A dog hides under the table during a thunderstorm. A dog barks like crazy when someone comes to the door. A dog shakes at the vet. Those signs are hard to miss. But dogs usually start communicating long before things get that dramatic. Their early stress signals can be small, fast, and easy to explain away. A tongue flick. A yawn. A turn of the head. A little pacing. A sudden shake-off even though the dog...