The cleanest animal on earth is often considered to be the cat. Cats are known for their meticulous grooming habits. They spend a significant amount of time each day cleaning themselves. Their tongues are covered with tiny, hook-like structures called papillae, which help remove dirt and loose fur from their coats. This self-grooming not only keeps them clean but also helps regulate their body temperature and reduce the risk of infections.
Another contender for the title of the cleanest animal is the dolphin. Dolphins have smooth, sleek skin that is constantly shedding and renewing itself, which helps keep them free of parasites and bacteria. They are also known to rub against coral and other surfaces to remove dead skin and parasites.
Both cats and dolphins have evolved unique ways to maintain their cleanliness, making them some of the cleanest animals on the planet.