Hamsters are rodents belonging to the subfamily Cricetinae. The subfamily contains about 25 species, classified in six or seven genera.Fox, Sue. 2006. Hamsters. T.F.H. Publications Inc. Hamsters are crepuscular. In the wild, they burrow underground in the daylight to avoid being caught by predators. Their diet contains a variety of foods, including dried food, berries, nuts, fresh fruits and vegetables. In the wild that'll eat any wheat, nuts and small bits of fruit and vegetables that they mi… (More on Hamsters)