10 facts about animals that you probably haven't heard before

If humans are a creature on earth with so many complex things, the animal world is made up of thousands, millions of things are even more complicated with countless things that we never knew.

The animal world always contains many interesting things that we do not know. Just like humans, every creature also has many untold stories, but surely, you will be surprised to hear: Are animals like humans? Is their life so diverse and colorful?

Let's try to find out 10 facts about animals that you probably haven't heard before to know more about the colorful world around.

1. The voice of goats also has intonation

Researchers from the University of London, UK have shown that, like humans, the tone and tone of a goat can vary depending on their environment. For example, when they are born, they often hear only the voices of their mothers and siblings in the herd. However, when older and more exposed to large herds, their voices will also change somewhat.

2. Wolves live with their partners for life

Wolves are animals that often pair and live together for life.

A pack of wolves usually consists of a main male wolf, female wolf and herds, and other old wolves that will help look after the baby wolves. However, wolves are one of the most loyal animals when they often pair and live together for life.

Normally, a pack of wolves will have from 3.4 to 20, depending on the amount of food. In addition, lone wolves can also join wolf colonies if allowed.

3. There are immortal jellyfish species

This creature can re-grow body tissues, use stem cells to never die. Scientists say this type of jellyfish called Turritopsis dohrnii is the only immortal species in the world.

4. Penguins know how to propose marriage partners

Like wolves, penguins are also animals that will mate for life. When choosing a satisfied mate, the male penguin will give the penguin a pebble as a symbol of love.

5. Elephants are animals with a very unique herd culture

Elephants can cry and laugh.

Elephants can cry and laugh. They often have very special greeting ceremonies to welcome a new member back home after days of separation. In addition, they also have funeral rituals when a member of the group dies.

6. Cow has a close friend

Studies have shown that cows are also an animal that likes to socialize with friends. They often have a close friend in the herd. If they had to live away from that close friend, they would become tense and irritable.

To cows there is a close friend, let alone human.

7. Dugongs are a model for fish stories

When engrossed in grass and seaweed; Occasionally, sea cows let algae squeeze around the neck, hovering over the waves, looking like long hair. So, with a tail that looks very specific, many sailors believe that the dove is a mermaid.

8. Whale songs are like human music

At the same sea area, the whales will "sing" the same song.

At the same sea area, the whales will "sing" the same song and change with the season. If the song sounds good enough, the whale song will be well received by other areas, like human music hits. Other whales will follow and sing the new whale hit song.

9. Boys can turn sex

Depending on the conditions of the breeding season (temperature, number of males .), males can convert sex between males and females.

10. The lioness will stay together for a lifetime

The female lions in the herd will live together for a lifetime. When a lion gives birth to the baby, the lion cubs will stay with the mother and the sisters, while the male lions will separate the herd and live alone.