Hippopotamus belongs to Mammalia, a class of mammals. The average life span of a hippo is between 30 and 40 years. Some hippos have a long life span. One of the longest lived hippos on record is a hippopotamus living in the Philippines. It lived for 65 years. It is one of the longest lived individuals among hippos. It has been reported in the news.
Although their average life span can reach 30-40 years, in real life they may not survive for such a long time, because their life span will be affected by many factors. Especially when the hippopotamus is relatively small, they are easy to be hurt by other larger animals, such as lions may eat the young hippopotamus, then they can live for a shorter time. After hippos grow up, few animals can overcome them and eat them, but they may still shorten their life span due to various human factors, such as pollution from human activities and direct human hunting.
a hippopotamus is a very large mammal, that third lar mammal in the world, after elephant and rhinoceros. After hippos reach adulthood, their body length generally ranges from 3.5 to 4.5 meters. But they are relatively short, only more than 1 meter tall. From the weight point of view, its weight range between 3000-3500 kg, from this aspect can also be seen that the size of the hippo is very large. Even when they were born, they weighed about 45 kilograms. In real life, the size of hippos varies from individual to individual, and the surrounding environment and food can affect their specific size.
