19 Chihuahua Facts So Interesting You’ll Say, “OMG!”

Your dog may show its teeth when smiling at you while letting you know it accepts that you're the leader. It's a sign of respect, not of aggression. You can typically tell the difference by looking at your dog's posture. If it is relaxed, then there's nothing for you to worry about.

Chihuahuas are loving and loyal and make good pets for first-time owners. These little dogs have big personalities and range from feisty and outgoing to shy and timid. Intelligent and fiercely loyal to the people they love, Chihuahuas will happily accompany their owners anywhere and everywhere.

Some breeds are not suited to sleeping outside. This includes breeds with short hair or thin coats. Small toy breeds with thin or small bodies (with low body fat) are also not suited to cold weather. This includes greyhounds, chihuahuas and beagles.