Three trail crew members at New River Gorge National Park and Preserve in West Virginia followed the sound of yelping in the woods to a dog trapped in a crevasse. The dog may have been there a week.

Many people recognise their dog’s bark, but fewer realise how wide a range of sounds dogs use to express what they feel. Some ...

Beyond barking, our canine companions communicate with a fascinating range of noises, each telling its own story. Indeed, dogs are full of surprises, and the sounds they make are no exception.