Dks01 And the owner of a small dog (shi-tzu/yorkie cross) , I can attest to their aggressiveness in protecting “their” property. However this 5 lb. shi-tzu/chihuahua cross in Mission B.C. takes it to a whole other level by putting the run to a full sized bear. https://www.ctvnews.ca/vancouver/article/video-shows-brave-little-dog-chasing-bear-out-of-bc-backyard/