How should rabbits drink water?
Expert Answer
Rabbits can drink from a ball-valve bottle or a push-pin (nipple) bottle. Ball-valve bottles are cheaper but prone to jamming; if not noticed in time, the rabbit may suffer serious health problems from dehydration. Push-pin bottles cost a little more but jam less easily, and their water flows one way without backflow, making them more hygienic.
Some owners use a water bowl when they haven’t bought a bottle yet, but this easily dirties the rabbit’s chin and causes skin problems, and the bowl collects dust and breeds bacteria.
My rabbit's on a push-pin nipple bottle and I switched off the ball-valve one after it jammed once and I caught the dehydration risk the article warns about. The one-way flow stays cleaner and jams less, worth the few extra bucks. I avoid bowls, they dirty his chin and grow bacteria, mine got a chin rash from one. Check the bottle daily so you'd notice a jam, that's the real danger, a silent failure means no water. Clean it often, rabbits are picky drinkers and a dirty spout puts them off, and any dehydration needs a vet fast.