How did the elephant's long nose grow?

In order to resist the harsh natural environment and the attack of natural enemies, the elephant grows taller and taller, but its mouth is farther and farther away from the ground. An elephant is an animal that eats grass. In order to survive, the elephant's upper lip becomes longer and longer. With the extension of the upper lip, its nose becomes longer and longer.

Their main external features are flexible and muscular long noses and fan-shaped ears, which have the function of winding and are powerful tools for self-defense and foraging.

The length of the nose is almost equal to the length of the body, which is cylindrical and elastic. The trunk is made up entirely of muscles. The end of the nostril is open and there are finger-like protrusions on the tip of the nose. It can pick up things. The trunk is very flexible, and it can pick up objects weighing 1 ton, or food as small as peanuts.

Extended data:

Adult male African elephants live alone and have a bad temper. When stimulated, it will enter a "violent state", at which time it will attack anything, which is extremely dangerous. Elephants are led by older females, and they choose migration routes with water sources according to their experience.

The female African elephant is pregnant for 22 months, which is the longest among mammals. Each baby gave birth to 1, and the newborn elephant's shoulder height was about 90 cm and its weight was about 100 kg. The attack of lions and crocodiles is the biggest threat to the survival of elephants. The life span of common African elephants in the wild is 65-70 years old, and the life span in captivity can reach over 80 years old.

Common African elephants are widely distributed in the African continent, mainly including Kenya, Tanzania, Mozambique, South Africa, Ethiopia, Niger, Chad and Burkina Faso.