1. Physical characteristics: Rabbits are relatively small, and most species are between 20-50 cm long and weigh 1-5 kg. They have long ears and big eyes, which adapt to the characteristics of night activities. Rabbit's hind legs are longer than its front legs, which are suitable for jumping and running.

2. Feeding habits: Rabbits are herbivores, mainly feeding on the tender leaves, stems and roots of plants. They like eating grass, wild vegetables, leaves and other plants, which are rich in fiber and vitamins. Rabbits' teeth grow rapidly, and they need to grind their teeth constantly to keep their normal length.

3. Reproductive habits: Rabbits are very fertile animals. Generally, each fetus can give birth to 3- 10 young rabbits. The gestation period of rabbits is about 30-35 days. The young rabbit will live with the mother rabbit for a period of time after birth, and the mother rabbit will breastfeed regularly.

4. Social behavior: Rabbits are social animals and like to live with their companions. They will express friendship and intimacy by combing, touching and jumping with each other.

5. Living environment: Rabbits like to live in grasslands, forests, grasslands and other environments. They will dig holes as habitats, avoid natural enemies and look for food.