Originally Posted by Barkingdog
Your cat could had been bleeding internally from cancer or he ate a mouse that been poisoned? . I am sorry to hear you found your cat this way.
Not sure about cancer.
As I said; my mother saw him 2 hours before I found him dead, and he was acting no different than he always did, which rules out most illnesses.
A mouse?. possible (though the one time we did have mice, he he just played with them)