There are 26 sepcies and sub species of hamster which make all belong to a group called rodents .all hamsters are small animals with little legs , a flat nose and short tail .your hamsters tail ,ear and nose should have a covering of fur which decrease as older which is a sign that you might want to slow things down for your hamster eg take running wheel out , condense to a one leveled cage to help your hamster to have a comfortable old age.

An average life span for a hamster is 18 to 36 months although there are records to show that some hamsters have lived a lot longer the most i know of is 7 years at present .your hamsters body temp should be on average 37-38 degrees celsius .

The hamsters body consists of :

1. The skeleton
2. Skull and jaws
3. Teeth
4. Spine and tail
5. Limbs

Sense organs :

1. Mouth
2. Eyes
3. Ears
4. Nose
5. Skin