Hamster are mammals that belongs to a rodent family. Hamsters should be in a good family. If a hamster bites you, you should not torcher it because it thinks you were trying to heart it. Hamsters have small beaver looking teeth to munch on their favorite hard food like seeds. when they are baby they are as small as your finger tips. You should feed them aleast 2% teaspoons every 2 or 3 days.