Chihuahua (dog) The affected chihuahua will hold its leg flexed, and foot off the ground until the quadriceps muscle relaxes and lengthens, after which the animal feels no discomfort and continues with activity. Chihuahuas are also prone to some heart-related disorders, such as heart murmurs and pulmonic stenosis, a condition in which the blood outflow from the heart's right ventricle is obstructed at the pulmonic valve. Chihuahua (dog) The Chihuahua () is the smallest breed of dog and is named after the state of Chihuahua in Mexico. Chihuahuas come in a wide variety of colors, and two coat lengths. The Chihuahua's history
Ecuadorian Hairless Dog Ecuadorian Hairless Dog The Ecuadorian Hairless Dog (in Spanish: Perro calvo dorado ecuatoriano) is a breed of hairless dog originated from Santa Elena Peninsula in Ecuador. It is now considered the rarest breed of the hairless dogs. This breed is characterized by an almost total absence of hair on the body and head. It is an elegant animal, with long legs and reaches a height of 15-18 inches. One of the curiosities of the Ecuadorian Hairless Dog is the absence of premolar teeth. The Ecuadorian Hairless Dog is a descendant of the Peruvian Hairless Dog; having its origins in the