If we could talk to the animals, what would they tell us? We may not all be Dr Doolittle, but studies are finding more and more about the language of dogs - from their body language and tail wagging, to the way they read scents and the noises they make. While scent is by far a dog's main form of communication and, often times, a dog's body language will tell us the finer details, in the first of our pet communication articles we look at how dogs 'talk' to us through vocalisa