He does go to the litter box - I've not noticed anything unusual. Should mention that his weight is 6.9 pounds, meaning that he lost a pound between 12/26 and January 12. No, I don't think they are absolutely sure that it's a blockage and talked about ultrasound, but all that means is more...
I have two cats, mostly indoor, but do go outside in warmer weather. They have never been hunters, but one of them discovered a chipmunk hole in the yard late summer. Scampers was bringing back a chipmunk every few days, but didn't eat them -- just the typical torment of batting them around...
