Margo (Attempting to suppress a fart.)

 

Margo's facial expression (and Gerry's) tell you all that you need to know. After 3 hours clenching, her sphincter muscles are about to give out, releasing a 43-second Trouser Trumpet of epic volume

And then, The Smell....

Bonus - Birds Eat Poop A Lot, And Scientists Are Still Trying to Figure Out Why