Do small animals and birds need to have water bottles rather than water dishes?
From the beginning of pet keeping, animals and birds have been offered water in open bowls placed on the cage floor or mounted on the sides of the cage. This is a simple and easy way to offer the water, but we now know that the water in open dishes is easily contaminated. Food particles, droppings, pet hair and any other contaminants carry bacteria into the water and pollute it. Some water dishes attempt to prevent this with partial “hoods”, but are still open to having pollutants flipped or tossed into the water supply by playful animals or birds in the midst of wing flapping exercises