What do you think this dog is?

[Sonoran Silkies]

http://en.wikipedia.org/wiki/Boxer_(dog) (a number of photos)

http://en.wikipedia.org/wiki/Bull_Mastiff (only a couple of photos, but you'll find more if you follow the links)

 

[rebelcowboysnb]

Boxer link dont work so try this one.

Boxer

 

[Bantimna]

Quote:
No I think Boxer, you get Golden Brindle, Brindle, and Dark Brindle in boxers.