Glad Michael Schiavo didn't know this could be done.
I can just picture his hypothetical testimony:
"We had just finished watching a made-for-TV movie about starvation among nature's wild predators and scavengers, and Terri turned to me and said, 'Mike. I feel sorry for those poor lions and hyenas and turkey buzzards."
"If I ever fall into a coma or permanent vegetative state, and you keep your promise to starve me to death, would you please make sure that my body is left out for wild animals to eat."