No chihuahuas actually came from China and they boarded boats to Mexico and Mexico named them after one of there cities which is Chihuahua :) and just 4 fun they didn't evolve from the wolf like the...
A chihuahua would not attack another chihuahua for the purpose of killing and eating it, since that would be too risky; one chihuahua is not notably stronger or more deadly than another, so it would...