How Different Are Different Types of Dogs?

by memolition ·

The dog (Canis lupus familiaris) is far more variable in size, shape and behavior than any other living mammal, but most experts now believe that all dogs, no matter how different, originated exclusively from a single species: the gray wolf (Canis lupus) of central Asia, said James Serpell, professor at the University of Pennsylvania School of Veterinary Medicine and editor of “The Domestic Dog: Its Evolution, Behaviour, and Interactions With People” (Cambridge University Press, 1995).

But how different are different types of dogs?

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