alt Hacker News> Like gee I wonder why they want to drink cool delicious clean water from a tap, not dank stagnant water from puddles. What a mystery for the ages!
Tell that to my cats. If they got the chance they will always prefer to drink from puddles of muddy rainwater instead of the clean water we give them.
Depending where you live, "clean" tap water is disgustingly chlorinated. I wouldn't blame any pet for not wanting to drink that.