Happy Year of Rooster, here are 8 facts about chickens that make you surprised

Dinh Dau's year together learn interesting things about chickens that not everyone knows as: " Why do hens lay eggs without needing fertilized roosters ?"

1. Chicken is the largest bird of the Earth

With more than 25 billion chickens worldwide, chickens are the most numerous birds.

2. Chicken breeds are not raised to eat meat

From a long time ago, the chickens were initially raised to fight, not to get meat and eggs like now.

3. Chicken also dreams

Like humans, chickens can also dream. Every time the eyes start to blink, the expression of the chicken starts to dream.

4. Chicken has them close to the most tyrannical dinosaur alive on earth

Through genetic studies, scientists have shown that chickens are the species with the closest genome to the T-REX tyrant.

5. Chicken's memory is very good

On average, 1 chicken can remember more than 100 faces of the same type, a very good memory in the animal world.

6. Chickens can look full of colors like humans

Unlike some other animals that are limited in color, chickens are capable of absorbing all the corresponding colors like human eyes.

7. Chicken has its own language

Birds have up to 30 different sound frequencies to communicate between individuals, each creating a different content.

8. Hens are capable of self-secreting sperm

Have you ever wondered if a hens can still lay eggs? This is because they have the ability to self-fertilize sperm to fertilize eggs in the abdomen without the need for roosters.