Quid pro quo
We eat animals of other species, so why shouldn't they eat the human animal when we die?
If it wouldn't poison the poor things I don't see a problem with people being able to request their mortal remains should be fed to zoo/safari park animals when they die. This could be an option alongside burial, cremation, or being chopped up by medical students. I would be more than happy to be of some use when I kick the bucket.
What do others think?