The rescue organization ran with the title "World's Ugliest Dog" to hopefully garner attention for the senior dog.

Post readers write about their relationship with their dogs. And the president and CEO of the ASPCA shares how we can protect ...

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 ...

Watch as world's tallest, smallest living dogs have a playdate Zeus, a Great Dane who died in 2014, holds the record for the world's tallest dog ever.

A Great Dane and a Chihuahua met in person after both were awarded Guinness World Records for being the tallest and shortest living dogs.

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

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

A Great Dane and a Chihuahua, Guinness World Records holders for tallest and shortest dog, became friends during a recent get-together.

The Guinness World Records title holders — Reggie for tallest living dog (male) and Pearl for shortest living dog — got along surprisingly well despite their dramatic size difference.

Guinness World Record holders Reggie , the tallest living dog, and Pearl, the shortest living dog, meet up for a playdate.

Watch the Guinness World Record holders for tallest, smallest dog have a playdate Zeus, a Great Dane who died in 2014, holds the record for the world's tallest dog ever.