They discovered that dogs of 7,000-8,000 years ago "were already quite small, meaning that they just couldn't do the things that most wolves were doing," said Losey.
This in turn led to greater dependence on humans for food, and reliance on small prey and scavenging, rather than prey bigger than themselves, which wolves hunt.
"We see that dogs have marine diets, meaning they're eating fish, shellfish, seals and sea lions, which they can't easily get themselves," he said.
Ancient dogs were found to be eating fish "in areas of Siberia where the lakes and rivers are frozen over for seven to eight months of the year."
Wolves of the time, and today, were hunting in packs and mainly eating various species of deer.
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This supports my claim that earliest domestic dogs were used to pull coracles between shore and Phu Quoc island Vietnam, then brought north to pull sleds.
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