To be honest, I'm not sure what forum to put this in but this one seems like the closest fit.
I ran across this article today about a cat that can accurately predict when a person is going to die. He lives at a nursing home and will curl up with a patient when they typically have less than 4 hours to live. The staff uses this as a sign that they need to call the patient's family. The cat has been right in 25 cases that they've observed. There must be something to this. Here's the article.