A piece of recent research has suggested that the evolution of dogs was not necessarily caused by human intervention. The latest findings have indicated that the transition was a geographically uneven one. A prominent biologist called Susan Crockford has found a well-preserved Siberian skull from a creature that lived over 30,000 years ago; her studies of this find have suggested to her that the development of the modern dog was not primarily the consequence of a human act.
Susan Crockford has been part of an international research team. Together, they have collated evidence, which they believe indicates that wolves became humans during divergent time periods. Hence the research team has maintained that there was no single phase of transition. Instead, they have portrayed a process by which dogs arrive in different places in a staggered fashion.
The wolves have been presented as domesticating themselves into dogs. It is said that those wolves living in the proximity of human settlements were not so much tamed as had once been thought. Instead, the wolves became tamer as they ate scraps from the remains of carcasses gathered by humans. In the past, people believed that dogs had been actively recruited as working companions, but this view is no longer held by the bulk of the experts.
Your German Shepherd or Yorkshire terrier stud dog might well be descended from wolves, but the initial part of the process by which this has happened was probably more to do with what the ancestors of the dog wanted or needed than with human planning.
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