1. Chihuahuas are native to Mexico, influenced by Aztec culture, and are considered pets and sacrifices.
2. At the end of the 19th century, the Chihuahua entered the United States and was considered a rare treasure, officially recognized as a separate breed in the 40s of the 20th century.
3. Chihuahuas, also known as Mexican Chihuahuas, are one of the smallest dog breeds in the world and are often used for indoor breeding.
4. Chihuahuas do not have much hair, and the colors and patterns are very diverse, common yellow, black, white, brown and so on.
5. Currently, Chihuahuas, as miniature breeds, are often used to breed other dog breeds, such as Chihuahua Kangaroos and Chihuahua Teddy (sticky rice dogs).
6. Chihuahuas hold the largest gathering in the United States every year, the Chihuahua Convention, which attracts thousands of Chihuahuas and dog lovers.
7. Chihuahuas can live a long life, with an average lifespan of 14-16 years, and some individuals can even live beyond 20 years old.
8. In addition to its small size, the Chihuahua has fairly good hearing and eyesight, and is able to react quickly to sounds and movements.
9. Chihuahuas are very lively and affectionate, they love to be noticed and loved by their owners, and faithful pets are also suitable for those who want to free range puppies indoors.
10. Chihuahuas can be trained to be excellent guardian dogs, in addition to sounding high-decibel alarms, it can also protect family members when necessary.
11. Chihuahuas are very skilled, and some Chihuahuas are trained to be medical assistance dogs, helping the owner with medication or checking the owner's physical condition.
12. Chihuahuas need about 30 minutes of exercise a day, whether it's walking, chasing toys, or playing.
13. Chihuahuas have a very strong personality, and restrictions and guidelines must be gradually established for the expectations and requirements of their owners.
14. Chihuahuas' teeth and mouth are very prone to problems, and they need to brush their teeth regularly every day and pay attention to oral hygiene.
15. Chihuahuas are a very intelligent breed that can easily learn various little tricks.
16. Chihuahuas can be trained as dancing dogs, compete in various dog shows and dog clubs, or become an influential breeder on social networks.
17. Because Chihuahuas are so much in need of attention and care, they are not usually recommended for lonely elderly people living alone or busy office workers.
18. Chihuahuas have many problems in reproduction, such as dystocia, oysteritis, achondroplasia, etc., so special attention needs to be paid to nutrition and health.
19. Chihuahuas are not suitable for staying outdoors or living in extreme climatic conditions, they are more adapted to living in a warm and comfortable environment.
20. Chihuahuas are very prone to overcare, and owners need to pay special attention to their diet and exercise to avoid secondary obesity and other health problems.