How big do the male hamsters get?

The size of male hamsters can vary depending on the species. Here are the average lengths for some common hamster species:

1. Syrian hamster (Mesocricetus auratus):

- Males: 15 to 18 cm (6 to 7 inches)

2. Roborovski hamster (Phodopus roborovskii):

- Males: 5 to 7 cm (2 to 2.8 inches)

3. Campbell's dwarf hamster (Phodopus campbelli):

- Males: 10 to 12 cm (4 to 4.7 inches)

4. Winter White dwarf hamster (Phodopus sungorus):

- Males: 10 to 12 cm (4 to 4.7 inches)

5. Chinese hamster (Cricetulus griseus):

- Males: 10 to 12 cm (4 to 4.7 inches)

It's important to note that these are average lengths, and individual hamsters can be smaller or larger than the typical ranges provided.