10 Interesting Facts About Chihuahuas

Did you know that Chihuahuas hold the title for the world’s smallest breed of dog?

Chihuahuas tend to be a polarizing breed as people either love or hate them. Despite their small size, they are known for their feisty and aggressive behavior, but some people find their adorable appearance and puppy-like eyes irresistible.

Here are ten fascinating facts about Chihuahuas that you may not have known:

Chihuahuas Have Two Different Head Shapes

Chihuahuas come in two head shapes known as “apple head” and “deer head.” An apple head Chihuahua has a rounder skull with a more prominent forehead, short snout, and bulging eyes. On the other hand, a deer head Chihuahua has an elongated head, longer snout, and less prominent facial features with an oval skull shape. Apple head Chihuahuas are more common.

A Chihuahua Starred in Taco Bell Commercials

In the 1990s, Taco Bell featured a real Chihuahua in their commercials. Gidget the Chihuahua, born in 1994, made her debut in 1997 and was voiced by Carlos Alazraqui. She became famous for her catchphrase “Yo quiero Taco Bell!” and even appeared in the movie “Legally Blonde 2” as Bruiser’s mother. Sadly, Gidget passed away due to a stroke at age 15 in 2009.

Chihuahuas Are One of the Most Aggressive Breeds

Along with Rottweilers, German Shepherds, and Pit Bulls, Chihuahuas are rated as one of the most aggressive dog breeds. However, with proper training and socialization from a young age, they can be managed and become calmer around people and other dogs.

Chihuahuas Come from Mexico

Chihuahuas originate from the state of Chihuahua in Mexico. They were first discovered in the mid-19th century, but the Chihuahuas we know today are the result of crossbreeding with other dogs over time. The Spanish brought small hairless Chinese dogs with them on their ships, and it’s believed they bred with native Chihuahuas to create the world’s smallest dog.

A Pack of Chihuahuas Terrorized an Arizona Town in 2014

In February 2014, residents of Maryvale, Arizona, made around 600 calls to animal control due to a pack of Chihuahuas terrorizing the area. While this is a rare occurrence, it highlights the importance of responsible pet ownership and training to prevent aggressive behavior.

In just two months, three times as many phone calls were made compared to the previous year regarding rogue Chihuahuas causing chaos in Maryvale.

These small dogs were attacking schoolchildren, leaving droppings everywhere, and even recruiting larger stray dogs to join their pack.

The situation was spiraling out of control as the pack grew due to the lack of spaying or neutering.

Locals were advised to confine the Chihuahuas to their gardens and contact animal control.

The Techichi is believed to be the ancestor of the Chihuahua.

The Chihuahua breed is thought to have originated from the Techichi, a small and quiet dog kept by the Toltec people of Mexico in the 9th century AD.

Archaeological findings in Mexico have revealed Techichi drawings dating back to 300 BC, but it’s unclear how long they existed.

Chihuahuas have a soft spot on their heads, just like human babies.

Chihuahuas, particularly those with apple-shaped heads, are born with a molera or a soft spot on their foreheads.

This occurs when the skull hasn’t fully developed at birth, and 50% of Chihuahuas born with a molera will have it for life.

Chihuahuas’ size makes them ideal service dogs.

Despite their small stature, Chihuahuas can be excellent service dogs, as seen in Midge, the world’s smallest police dog, who works in Ohio’s Geauga County Sheriff’s Office.

Midge passed her narcotics dog training in 2006 and is small enough to search school lockers and inmate property in county prisons.

Chihuahuas were worshipped by the ancient Aztecs.

Chihuahuas played a significant role in Aztec civilization, serving as both servants and for ritual purposes.

Yellow Chihuahuas were believed to serve their owners in the afterlife by being sacrificed when their owners were close to death.

Red Chihuahuas were used in rituals to absolve their owners of sin during funerals and burials.

Chihuahuas are the smallest breed of dog in the world.

Milly, the world’s smallest Chihuahua, was born in Puerto Rico in 2011, weighing less than 0.5 ounces and fitting in a teaspoon.

While Chihuahuas may be small, they are mighty in their impact and presence.

Milly, also known as Miracle Millie, was fully grown in February 2013 and measured 3.8 inches (9.65 cm) tall, weighing approximately 1 pound (0.5 kg). Milly’s owner allowed her to be cloned 49 times by Sooam, a pet cloning company in South Korea, because she is such a sensation. Most of the clones were created for study to better understand why Milly is so small.

Chihuahuas were created through the natural crossbreeding of the Techichi dog from Mexico. Their ancestors have been serving humans for thousands of years and are one of the most loyal breeds in the world. Despite their feisty nature, Chihuahuas are loved and are popular pets all over the world.


1. What is the origin of Chihuahuas?

Chihuahuas are believed to have originated in Mexico, specifically in the state of Chihuahua. There are different theories on how they came to be, but it is thought that they descended from a breed of dog called Techichi, which was kept by the Toltec civilization. They were later bred with small hairless dogs, resulting in the Chihuahua we know today.

2. How big do Chihuahuas get?

Chihuahuas are a small breed of dog, typically weighing between 2 and 6 pounds and standing between 6 and 9 inches tall. They come in two different varieties: the smooth coat and the long coat. The long coat variety tends to be slightly larger than the smooth coat.

3. Are Chihuahuas good with kids?

Chihuahuas can be great companions for older children who know how to handle small dogs. However, they are not recommended for families with young children as they can be easily injured due to their small size. They also tend to have a strong personality and may not tolerate being handled roughly.

4. Do Chihuahuas make good apartment dogs?

Yes, Chihuahuas can make great apartment dogs as they do not require a lot of space to be happy. However, they still need daily exercise and mental stimulation to prevent boredom and behavioral issues. They are also known to be vocal and may bark at noises or strangers, so it is important to train them to not bark excessively.

5. Are Chihuahuas easy to train?

Chihuahuas can be stubborn and difficult to train, but with patience and consistency, they can learn obedience commands and even some tricks. It is important to use positive reinforcement methods and avoid harsh punishments as they can become fearful and anxious.

6. Do Chihuahuas shed a lot?

Chihuahuas have a short and fine coat that does not shed excessively. However, the long coat variety may require more grooming to prevent matting and tangling. They may also need regular dental care as they are prone to dental problems.

7. Are Chihuahuas prone to health problems?

Chihuahuas are known to be prone to certain health problems, including dental issues, patellar luxation, and heart problems. It is important to purchase from a reputable breeder who screens their dogs for these conditions. Regular veterinary check-ups and preventative care can also help keep your Chihuahua healthy.

8. How long do Chihuahuas live?

Chihuahuas have a relatively long lifespan for a small breed, typically living between 12 and 20 years. Proper care and regular veterinary check-ups can help ensure they live a long and healthy life.

9. Are Chihuahuas good lap dogs?

Chihuahuas are known for their affectionate and loyal personalities, making them great lap dogs. They love to cuddle and be close to their owners, and are often described as having a big personality in a small package.

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