It depends but I think they are the smallest breed of dog.
Up to 6 inches
up to 5or6 inches tall
Chihuahua's were worshipped by the Toltec's in ancient Mexico.
Yes, Chihuahuas can get the flu.
Well if they were to bite, they are not tall enough to reach much higher up (unless you were holding one at the time).
Chihuahuas have UFO's for ears.
chihuahuas have sensitive stomachs
Chihuahuas live in Mexico.
Chihuahuas originated from the state of Chihuahua, Mexico.
Chihuahuas originally came from the Mexican capital Chihuahua.
Chihuahuas, like all species of dogs, are carnivores.
No they worshipped Chihuahuas, it was the Aztecs who ate them!