‘Pawprint’ of Dogs Is Greater Than Previously Thought

This article originally appeared on The Conversation. Humans and their canine companions share many close bonds. Wolves (Canis lupus) were the first animal domesticated by people, some time between 15,000 and 50,000 years ago. There are now an estimated 1 billion domestic dogs across their near-global distribution. Domestic dogs include feral and free-ranging animals (such as…