1, hamster is a solitary animal with a strong sense of territory, and thinks that other similar animals are also threatened by land grab, especially for the same sex;

2. Because of hunger, the breeder didn't provide enough food and faced with a crisis of survival;

3. The mother hamster will become grumpy after pregnancy, and it is easy to fight and bite with the same kind until it kills each other;

4, the law of the jungle nature, hamsters in the same cage are sick or weak, which will attract bullying from other roommates;

They may bite each other because of estrus. Male hamsters are in estrus every day after maturity, while female hamsters are in periodic estrus. In this time difference, the male will show aggression because of the female's uncooperative.

Extended data

Hamster habits:

1, likes to live alone, especially the female hamster has a strong sense of territory. If they are aware of intruders, they will not hesitate to attack each other, especially adult females.

2, like caves, don't like the sun, like the dark living environment.

3. Like to hoard food, hence the word "Cang" in Hamster. Feeding too little will lead to emotional anxiety.

4, like sports, love running toys.

5, hate being scared, like sleeping during the day and going out at night.

6, not very good at braying, once the braying is because of illness or fear, the breeder needs to pay attention.