Guinniss demonstrates a paw lift and a lip lick in response to Domi drinking from his water dish.

Turid Rugaas, a dog trainer from Norway spent years observing wolves, wild dogs and domestic canines to better understand how they communicate. She came up with the term calming signals when observing canine body language and determined they are a means of communication used by dogs to calm themselves, each other and even humans, other animals or inanimate objects.

Many behaviour problems...