According to the Guinness World Records, the smallest dog in the world is a Chihuahua from Orlando, Florida, named Pearl. Verified as the shortest living dog in 2023, she measures just 3.59 inches ...

There's about a three feet difference in size between the world's tallest and smallest dogs, according to Guinness World Records.

“When Pearl meets bigger dogs, she is really friendly. I think she has no idea she is a small dog,” Semler ... holds the record for the tallest dog ever, according to Guinness World Records.

"When Pearl meets bigger dogs, she is really friendly. I think she has no idea she is a small dog," said Vanesa Semler, Pearl's owner ... Reggie's owner believes the pair will be "friends fur-ever." ...

“When Pearl meets bigger dogs, she is really friendly. I think she has no idea she is a small dog,” Semler ... holds the record for the tallest dog ever, according to Guinness World Records.