Rhinoceros is a large mammal in the family Rhinocerotidae of the order Rhinoceros. Fat and clumsy, with thick and rough skin arranged in folds; The fur is sparse and hard; The ears are oval in shape; Big and long head; Short and thick neck; No canine teeth; The tail is thin and short, and the body is yellow brown, brown, black or gray; Solid single or double horns on the head and nose; Both males and females have double horns, with females having longer horns than males. Rhinos are distributed in Asia, such as India in South Asia; It inhabits sparse grasslands and dense forests in tropical and subtropical regions. They often come out to forage in the early morning, evening, or night, with poor vision and sensitive sense of smell and hearing; Living alone often with little contact between individuals.