I haven't found out what he prefers, but he gets tap water that has been properly chilled and put into a small fountain to resemble running water. He was trying to drink from the tap, so I had to find an alternative method.
Spooky used to catch birds, but he never ate them, he just left them as presents for me. Contributing his share of the groceries. lol
I must get ready for my lunch shift now. It's nice to know it's the last for the day.