San Juan, Puerto Rico - Puerto Rico can now boast it is home to the smallest dog in the world - at least when it comes to height.
The brown Chihuahua named Miracle Milly shorter than a soup can, standing at 3.8 inches (9.65 centimeters) in height when measured from the back foot, Guinness World Records announced Thursday.
He is almost 2 years old, weighs about one pound (half a kilogram) and is known for his often remains tiny tongue when someone takes his picture.
" He knows how to look, " owner Vanesa Semler told The Associated Press .
Miracle dethroned Milly Boo Boo , a long-haired Chihuahua from Kentucky who stands 4 inches ( 16.10 centimeters ) tall .
Guinness is also a second category for the smallest dog world when measured by length . That title is held by Heaven Sent Brandy , a Chihuahua in Largo , Florida , which measures 6 inches ( 15.24 centimeters ) long .
When he was born , Miracle Milly weighed less than an ounce and fits into a teaspoon , Semler said . Her mouth is too small to nurse from his mother , so Semler gave her milk every two hours through an eyedropper .
He slept in the crib next to the bed doll with Semler 's , growing stronger as the months of tests .
The Chihuahua Sleeps now baby crib and eat nothing but food cooked by humans .
" Actually he 'd have salmon and chicken , " Semler said , noting that he eats four times a day .
Miracle Milly was close to his two daughters, both of which are normal size , but he prefers the company of men .
" He does not understand that he is a dog , " said Semler . " He thinks he 's a kid . "
He does not wear off and you have to play with the plants in the backyard of Semler . If there are birds to chase , even better.
If he is playing inside , he gravitates toward Paco , a Chihuahua plush toy yellow twice its size . The stuffed animals are among the dozens lining his crib .
" We give her a new toy almost every week , " said Semler . "What he wanted to hug them . "
Miracle Milly is one of 10 Chihuahuas who owns Semler , and easily the most popular.
" People are amazed when they see him because he was so small, " said Semler . " And he has a great personality . People loved him . "