1) Hamsters live wild in parts of Europe, Asia, the Middle East, Mongolia, and Siberia. Their habitats include deserts, rocky areas, grasslands, and sandy soil. 2) Hamsters are nocturnal and solitary. They build complex burrow systems for shelter, nesting, and raising young. Females store food to survive harsh winters and feed litters. 3) Different hamster species have adapted fur coloration and behaviors to survive in their environments, such as turning white in snow or living communally with other males and females.