You made a spelling error in your question you meant to say "why do hamsters only live three or four years" Any ways the reason is because different creatures have a different lifespan, it has nothing to do with size, because budgies can live from 15-20 years and they are very small creatures. Hamsters just have a short lifespan it is just the way their life was made to be. :) Very simple.
Goldfish,hamsters,mice and some birds
hamsters live an average of 2 to 3 years.
Yes you can, and some hamsters need to live in pairs. However, syrian hamsters are very territorial and need to live alone.
Long haired hamsters can live usually 3-8 years.
Honey Bear hamsters live about 2-3 years average.
Hamsters and gerbils generally live for around 2 years, but have been known to live for three or four
Robo hamsters are robo hamsters, they can be about 2 inches long on average, and stay robo hamsters.
3yrsType your answer here...
no
hamsters tend to live about 2 years, but they can live longer.
hamsters live 2 to 3 years.
2-4 years