1. Size and Weight:
* Syrian hamsters (Golden hamsters): The largest, reaching 5-6 inches long and 4-6 ounces.
* Dwarf hamsters: Much smaller, typically 2-4 inches long and 1-3 ounces.
* Roborovski hamsters: The smallest, only reaching 1.5-2 inches long and 1 ounce.
2. Fur Color and Pattern:
* Syrian hamsters: Come in a wide variety of colors and patterns, including golden, brown, white, black, and even cinnamon.
* Dwarf hamsters: Can also have different colors, but they tend to have less variation than Syrians.
* Roborovski hamsters: Have a distinctive sandy-brown color with white markings.
3. Body Shape:
* Syrian hamsters: Have a stocky build with a broad head.
* Dwarf hamsters: Have a more slender build, with a pointed snout.
* Roborovski hamsters: Have a round, compact body with short legs.
4. Tail Length:
* Syrian hamsters: Have a short, stubby tail that's mostly hidden by fur.
* Dwarf hamsters: Have a longer tail that's more visible.
* Roborovski hamsters: Have a very short tail, almost invisible.
5. Behavior:
* Syrian hamsters: Can be more solitary and less active than dwarf hamsters.
* Dwarf hamsters: Are generally more active and playful, and can be kept in pairs or small groups.
* Roborovski hamsters: Are known for being very fast and agile, and can be difficult to handle.
It's important to note:
* Breeders: If you got your hamster from a breeder, they should be able to tell you the specific type.
* Pet store: Pet stores often misidentify hamsters, so it's not always reliable.
* Online resources: There are many websites and forums where you can post pictures of your hamster and ask for help identifying it.
Ultimately, the best way to determine what type of hamster you have is to observe its physical characteristics and behavior. If you're still unsure, a veterinarian can also help with identification.