Dogs... which one you prefer.....

They've the same characteristics; they bark, wag their tails, lick your face like ice cream, run, hop, rollover, scratch, guard your home, eat anything you feed and of course some bite. But then, why don't they look the same.

Dogs are direct evolution descendants of wolves, predominantly Grey wolves but dogs bark while wolves howl. 

The pictorial graph below will tell you exactly why.

...maybe I should get a dog now ...