Trivia: The dog is named "Tig" after Kevin Costner's grandmother.
Trivia: When the movie first opens up, you see this big green scenery with cows coming out of the bottom corner of the screen. In the widescreen version there is a cow, or bull rather, getting a little frisky with one of the cows there. It lasts for only about a second, and you can see that one of them is up a little higher than the others so it stands out.
Answer: I believe he is the one being chased by the townfolks, after the gunfight is over.