It depends but I think they are the smallest breed of dog.
Up to 6 inches
up to 5or6 inches tall
Yes, Chihuahuas can get the flu.
Chihuahua's were worshipped by the Toltec's in ancient Mexico.
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.
No they worshipped Chihuahuas, it was the Aztecs who ate them!
No, but labs like chihuahuas.