Self-grooming, using areas separate from their nest, roost or burrow as a toilet; eating only their naturally-selected diet, a lot of exercise (mainly in foraging for food).
Some birds indulge in water- or dust- baths, the latter to remove parasites.
Some animals receive symbiotic services such as the fish that will nibble away dead skin from surrounding healthy tissue, the tick-birds on large African Bush animals and the curious little eyelash-mite that lives on us and other mammals. Although these mites can cause problems of their own, depending I think on species of mite and/or host.
There is an enormous range of scavengers that help keep the habitats fairly clean too.
Animals groom themselves by licking their fur, feathers, or scales to remove dirt and parasites. Some animals also take dust baths or roll in the grass to help clean themselves. Certain species, such as birds, use specialized gland secretions to maintain their feathers' health and cleanliness.
The animals in the water do indeed keep the river clean. These animals include filter feeders like fish for example.
fur
Chipmunks cleanse themselves by going in a puddle or any kind of water. They actually think they are getting cleaner, but they are not. They are making themselves more dirty.
Water is important to animals because animals need to drink water and also some animals live in water such as fish and need water to survive.
First and foremost we need clean water to stay healthy, to clean and flush out toxins and to generally live. Secondly, keeping water clean allows not only humans to survive but plants and animals also thrive on clean water.
It's their way to clean themselves and keep themselves clean. It's how groom.
First and foremost we need clean water to stay healthy, to clean and flush out toxins and to generally live. Secondly, keeping water clean allows not only humans to survive but plants and animals also thrive on clean water.
They lick themselves
To keep themselves clean.
they could cover their body with water from a freshwater pond. then dry themselves using leaves.
they spend a thot of time grooming themselves