How did the majestic grey wolf transform into the Pug? If all dogs descended from wolves, why do dogs have different shaped skulls to wolves? This infographic from Invisible Fence explains how – along with the functions different breeds originally served, and ownership data from the last century.

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From Wolf to Wag: The Evolution of The Dog


Irma Wallace

Co-founder and Vice President of SearchRank, responsible for many of the day to day operations of the company. She is also founder of The Arizona Builders' Zone, a construction / home improvement portal. Follow +Irma Wallace on Google + as well as Twitter.

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