Ducks do more than drink. They use water to flush their nares, wet-preen their feathers, maintain plumage structure, and protect eye and nostril health. Here is what the science says—and how to provide water without turning the pen into a swamp.

Do missing wattles mean a rooster is missing testicles?
No. Wattles are secondary sexual characteristics influenced by testosterone. While testosterone is produced by the testes, the presence or absence of wattles does not indicate whether a rooster has testicles. Wattles can be affected by genetics, injury, frostbite, and thermoregulation.