Some popular dog breeds looked pretty different a century ago. From German shepherds to pugs, see the breeds that have evolved over the years and how.
Dogs have been our furry companions for thousands of years, but they didn't always look the way they do today. Many well-known dog breeds have changed a lot physically in the last century, thanks to humans. By identifying specific traits — such as size, coat color, and demeanor — and allowing only those animals to mate, humans have created at least 167 different"breeds," or groups of dogs with unique physical and mental characteristics.
Dogs have been our furry companions for thousands of years, but they didn't always look the way they do today. Many well-known dog breeds have changed a lot physically in the last century, thanks to humans. By identifying specific traits — such as size, coat color, and demeanor — and allowing only those animals to mate, humans have created at least 167 different"breeds," or groups of dogs with unique physical and mental characteristics.
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