And now, showing just how different two members of the same species can be are Pearl and Reggie, respectively the shortest ...

Reggie, a 7-year-old Great Dane from Idaho, and Pearl, a 4-year-old Chihuahua from Florida, put their (size) differences ...

A playdate between the world’s tallest and smallest living dogs went the way of most dog park encounters despite the 3-foot (0.91-meter) height difference — lots of tail wagging, sniffing and ...

Teacup designer dogs can be the perfect addition to your home, but do not overlook some standard breeds that stay small. Here are some of the smallest dogs in the world!

The Guinness World Record holders of tallest and smallest living dog spent two days together in Idaho. Here's what happened.