Wolves are born gamblers; dogs are not

Thousands of years ago some friendly wolves started hanging around human encampments to scavenge for easy scraps of food. Those canines eventually co-adapted with humans and become the domesticated dog; at least that’s how scientists think it may have happened. As a vestige of those two lineages, modern dogs and wolves retain some of the personality characteristics of that split. Research has shown that wolves and dogs have distinctly different preferences for risk vs reward; wolves hunt for a living and risk is part of the game, while dogs likely evolved a more cautious nature owning to their domesticated lifestyle.

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