We had a chihuahua mix that ruled the roost over our English pointers, a German shorthair, and a doberman, among other. Ferocious and protective little bugger. A friend jokingly slapped my dad on the leg and the dog clamped down on his hand a few times. Those sharp little teeth make fine puncture wounds.

One day he went after a huge Great Dane. The Dane just looked down at him, put his head up, and kept on leisurely walking. Being ignored really ticked off that little mutt. Lucky for him that Dane just didn't bother. He wasn't so lucky when a setter crushed his ribs. Still lived for years after that, ornery as ever. One day that setter ran down the street with the chihuahua in hot pursuit. Strange ... but then noticed our doberman right behind. Helps to have backup.

Must be something ingrained in a cats psyche to fear dogs. Small dogs can get away with things on felines that will get them instantly killed by hungry or territorial canines.

Chihuahua's attack MORE people than ALL the "dangerous" dogs PUT TOGETHER !
Cats are afraid of dogs, no matter what size. Must be the barking.

I was hoping the cougar would have just ate the chihuahuas. It would have saved itself and done the rest of us a favor.

That Cat is literally a Big Pussy! I think those yap-dogs annoyed it into that corner. And we don't want the cats to eat the hollywood Chihauhaus, we want them to eat the Hollywood entertainer/celebrity types.

Well the Chihuahua was developed as an indian hunting dog that was pocket size:P kinda like modern cellphones..
But if other bigger species of dogs where as feroucious as theese little yappers then we would exterminate them and breed only on those with gentle psychies..
But give rattus norvegicus bullhormones and a steady proteinrich diet and im sure it will make a better pet than thees ones:P and THEY will keep the yotes away too:P:D

All little dogs were bred down from big dogs,and still have the heart of a big dog even if they ain't got quite the caliber they still got the powder charge. Conversely all huge dogs were bred up from much smaller ones, hence that newfoundland who insists on climbing into your lap although he outweighs you by 50 pounds!
I beg to differ with the individual who believes chihuahua dogs were "pocket sized hunting dogs". Archaeology and historical data reveal that such dogs were bred to be household dogs, born to be "doorbells" and "garbage disposals" (eat table scraps and unused food) then to do their final duty as an ingredient in the Mole' or enchilada. The Aztec had no domesticated animal protein sources other than dogs and turkeys (as well as each other). They used what they had. Koreans bred a very similar looking breed of dinner dog ( a little bigger though), I remember seeing them for sale in the open market at Osan when I was "over there".

People in the video clip kept talking about a dog...but all I saw was a big rat and a cougar.

First time I ever heard anything good about this particular breed of canine. I have some buddies in Idaho that are hound hunting fanatics, maybe I will show them the vid and get them to buy a pack of the little buggers... I am sure they eat less than hounds and you can fit more in your dog box! And I hope they took the lion in to the taxedermist- they should atleast make a doggie bed out of it!

Maybe the mountain lions might control the population of said supporters.