Answer by
xomoney (104)
Chihuahua are little dogs and tend to have a fst beating heart. average heart rate for an chihuahua is normally somewhere ranging from 100-200 bpm. Although a Chihuahua is a very small dog, 1 to 6 pounds generally, you won't be able to convince him! The Chihuahua has the canine instinct to protect and guard its owners.