Is bipedalism necessary for audible farting?

[Meurglys]

“A farting horse will never tire.
A farting man’s the man to hire”

Navarth.

[TruCelt]

@Drew_Kit

. . .
"A carnivore’s protein-rich diet produces relatively small amounts of intensely stinky gas because proteins contain lots of sulfur. . .

Thus the inevitable extinction of the dinosaurs: http://www.youtube.com/watch?v=aP0F0sMhhAg&feature=related