1 Think of this as being like the skin of the avocado. Although not strictly a part of the adrenal glands themselves, the primary function of this layer is to enclose and protect each of the adrenals.  The Cortex. You might compare this layer to the flesh of an avocado.
The average lifespan for a hammy is about 2-3 years and they are very sweet!! The average life span for a hamster in general is about 2-4 years, but different breeds live differents spans. Teddy bears: 2-3 yrs. Syrian: 1 1/2- 3 yrs. Cambells, russians & other dwarfs: 1-3 yrs.
Ldoerr 25 Feb 2013. I know when I had hamsters growing up all but one of them lived 3-4 years (the one who didn't lived 3 days at my house before my dogs killed it, we learned fast). I had 7 hamsters growing up. I do not know how long ago it was though.