It existed long before humans started breeding the cute canines. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. One of the main genetic ...

Tiny, but feisty, chihuahuas are super energetic. Known as "purse dogs," they're between five and eight inches tall and weigh ...

If you’ve ever noticed small dogs outliving bigger breeds, you may have wondered: Why do small dogs live longer? An expert ...

New research finds a mutation that suggests the more diminutive canines’ DNA dates back to ancient wolves. By James Gorman Big dogs get all the glory. I don’t have a peer-reviewed paper to prove it, ...

"Good guard dogs often have a breed history of guarding livestock or protecting property," explains Dr. Liza Cahn, DVM, a veterinarian with Embrace Pet Insurance. "While many guardian dogs are large, ...

Dogs come in all shapes and sizes, but some breeds are simply too adorable to resist. Whether it’s their fluffy coats, ...

The type of disease that your dog might get depends on how big it is, according to a new study. These differing risk levels of certain conditions between larger and smaller dogs may contribute towards ...

A study of more than 25,000 U.S. dogs and 238 breeds has linked dog size to varying patterns of risk for health conditions over the course of a dog's lifespan. A study of more than 25,000 U.S. dogs ...

If you believe the statements from various websites on the Internet, there are huge differences in the behavior of dogs based upon their size. You will find statements like: "Big dogs are lovable ...

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When looking for a treadmill for your dog, the most important thing to consider is how large your dog is. While small dogs can usually size up to a bigger treadmill, large dogs cannot size down as the ...