I would have thought that was self-evident. And as long as we’re talking about things that we shouldn’t do, how about:
Um, how does someone come up with the idea of doing this to his pet? Do you think he just woke up one morning after listening to the hamster wheel all night and thought “I know what I’ll do. I’ll fossilize the darn thing. Then I can have both the rodent and uninterrupted sleep.”
Bad day to be a hamster.