Human: What are the different kinds of hamsters? Assistant: 
There are several different kinds of hamsters, including dwarf hamsters, golden hamsters, and Syrian hamsters. Dwarf hamsters are the smallest of all hamsters, growing up to 3 inches in length. Golden hamsters are slightly larger than dwarf hamsters, growing up to 4 inches in length. Syrian hamsters are the largest of all hamster species, growing up to 5-6 inches in length.