He may have had a stroke...or heart attack with lack of oxygen to the brain.
Likely not suffering, though...
He doesn't seem to be suffering, no. If he were wrything or something, I'd have to act to end it.
Anyone know how to do a feeding tube in a squirrel? :~D
Well, the squirrel has died.
At least it wasn't a rabbit :~D
(Bonus points if you get the joke)