Dry black patches in a cat’s ears may be caused by ear mites. When there are ear mites in a cat’s ears, the ears will be itchy and smelly, so they will scratch their ears and shake their heads constantly. This This will remove ear mites and dirt.
Tip:
When you find that your cat has ear mites, you need to use ear cleaning solution to clean the cat’s ear canal to prevent the ear mites from getting worse or spreading; at the same time, you need to isolate the cat. Avoid spreading the disease to other pets.