Did you know there’s a dog so small, she could fit in a teacup or palm? But do you know which dog holds the record for being the smallest dog in the world? Meet Miracle Milly, a tiny Chihuahua Dog Breed from Puerto Rico who became famous for her unbelievably small size!
Who Is Miracle Milly?

Miracle Milly is a female Chihuahua who was born in December 2011. She lives in Dorado, Puerto Rico, with her owner Vanesa Semler. Milly became a world record holder when the Guinness World Records officially named her the smallest living dog by height in 2013.
Note: Miracle Milly is the Smallest dog in the world from December 2011 to 2020.
How Small Is Miracle Milly?

Miracle Milly is only 3.8 inches (9.65 centimeters) tall from the ground to her shoulders. That’s about the size of a soda can! She also weighs less than 1 pound (around 0.5 kilograms). You could literally hold her in the palm of your hand.
When she was born, she was so tiny that she could fit in a teaspoon. Her owner had to feed her with a dropper every few hours because she was too small to nurse from her mother.
In recent years, a new Chihuahua named Pearl has taken the title. Pearl is even shorter than Milly, measuring just 9.14 cm (3.59 inches) tall, according to the latest Guinness World Records.
What Does Miracle Milly Look Like?

Milly has big brown eyes, a small black nose, and soft brown and tan fur. Her tiny size makes her look like a puppy even though she’s a full-grown dog. Many people say she looks like a living toy!
Was Miracle Milly Healthy?
Miracle Milly was born unusually small and required special care from the beginning. Despite her tiny size, she lived a full and active life. Her owner, Vanesa Semler, made sure Milly received proper nutrition and regular vet checkups. Although Milly passed away in 2020, she remained healthy and playful throughout most of her life.
Are There Other Small Dogs?
Yes, Chihuahuas are known as the smallest dog breed in the world. Other very small dogs include:
- Pomeranians
- Yorkshire Terriers
- Toy Poodles
But Miracle Milly is special because she is smaller than all of them.
Why Are Small Dogs Like Milly So Popular?
People love tiny dogs because they are cute, easy to carry, and can live in small homes or apartments. Small dogs also don’t eat much and can be easier to take care of in cities.
However, very small dogs need special care. They can get cold easily, and they are more fragile than big dogs. So it’s important to treat them gently and protect them from accidents.
Fun Facts About the World’s Smallest Dog
- Miracle Milly was cloned 49 times by scientists in South Korea who were curious about her unique size.
- She has a huge fan following on social media.
- Milly eats carefully selected meals and sleeps in a baby crib lined with soft pillows.
Can You Get a Dog as Small as Milly?
Miracle Milly is one of a kind. While you can adopt or buy small dogs like Chihuahuas, it’s rare to find one as tiny as her. Also, dogs like Milly are not usually bred on purpose — her size happened naturally.
Why Is Miracle Milly Important?
Milly shows us that even the tiniest animals can make a big impact. She has inspired many people and helped raise awareness about caring for small animals with love and responsibility.
FAQs
Q1: What is the smallest dog breed in the world?
A1: The Chihuahua is the smallest dog breed. Some Chihuahuas weigh as little as 2 pounds (0.9 kg).
Q2: Who is the smallest dog ever?
A2: Miracle Milly holds the Guinness World Record for the smallest living dog by height. She is only 3.8 inches tall.
Q3: Is it safe to own a very small dog?
A3: Yes, but tiny dogs need extra care. They can get hurt easily and need to be kept warm and safe.
Q4: Where does Miracle Milly live?
A4: She lives in Puerto Rico with her owner, Vanesa Semler.
Q5: Can I adopt a dog like Milly?
A5: While you can adopt small dogs like Chihuahuas, it’s very rare to find one as tiny as Milly. She is truly one of a kind.