Hamsters are rodents
History of hamsters
Anatomy of hamsters
The different breeds
Russian Campbell (R.C)
R.C. colours & patterns
Dwarf winter white russian
Although there are many breeds of hamsters, the 5 most common domesticated species are the Syrian hamster, Dwarf Campbell Russian hamster, Chinese hamster, Roborovskii hamster and the winter white Russian hamster.
The following figures are taken from The alt.pets.hamsters FAQ and shows the approximated lengths that each breed can grow to.
Campbell Russian (10-12cm)
Chinese (female: 10cm, male: 12cm)
Common/European (female: 22-25cm, male: 27-32cm)
Golden/Syrian,Fancy,Teddy Bear (15-18cm)
Rat hamster (26cm)
Winter White Russian/Siberian/Djungarian (female: 8cm, male: 10cm)
Thanks & acknowledgements:
The photo used in this page is taken from Sparks Hamstery.