* Different species: While both are hamsters, they are different species. Teddy bear hamsters are *Phodopus sungorus*, while winter white hamsters are *Phodopus campbelli*. This difference in species can lead to:
* Incompatible genetics: Their offspring may inherit traits that are incompatible, resulting in health problems.
* Behavioral differences: Teddy bears and winter whites have different temperaments and social behaviors, making them potentially incompatible as parents.
* Physical incompatibility: The size and structure of the hamsters may make breeding difficult or risky.
* Hybrid vigor: Some people believe that mixing species creates "hybrid vigor," resulting in healthier offspring. However, this is not always the case, and in the case of hamsters, it's generally not recommended.
The best practice is to mate hamsters of the same species. This minimizes the risks of health problems and ensures that the offspring are healthy and have a better chance of survival.
If you are interested in breeding hamsters, it's important to research the specific needs of the species you are interested in and seek advice from experienced breeders.