Meanwhile, here are the dog breeds that have remained popular among Americans since the beginning of the new millennium. Other states not on the list are in the middle ground: that would include Vermont, Nevada, Ohio, and Louisiana (Zippia, 2019). This creates a feedback loop and a strong emotional bond between human and dog, which partially explains why there are so many dog lovers today (Science Mag, 2015). They have evolved to look to humans to solve their problems, and humans benefit, too: when dogs and humans look into each others’ eyes, they both release the “affection hormone,” oxytocin. As a result, they have actually become worse at working together. Still, domesticated dog species are now largely reliant on humans. Note that the the years overlap, which has been a point of contention among those who study canine evolution. Scientists also believe that dogs and grey wolves branched out from an extinct wolf species 15,000 to 40,000 years ago. Evidence for this hypothesis can be found in the genes of canine specimens gathered from the southern part of China, from Mongolia, and from Europe. Symbioses had a huge role to play in this relationship, which began with canine domestication some estimated 30,000 years ago. People would also steal fresh kills from wolf packs and the canine species would also do the same to groups of humans. Humans ate wolves or dogs and skinned them for their pelts to protect themselves from the harsh winter clime (Smithsonian Magazine, 2018). That is understandable, as the human-canine relationship was, as mentioned before, not always friendly. In fact, the practice of keeping dogs as companions is only considered “near universal:” while it may be widespread, it has not penetrated every society or culture in the world. Humans did not always have a harmonious relationship with dogs, and h aving dogs as pets is a fairly new phenomenon, if we’re talking in terms of geological eras. A Brief History of the Human-Dog RelationshipĪ Brief History of the Human-Dog Relationship.
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