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.
The average lifespan of the Djungarian hamster is one to three years of age in captivity, though they can live longer. In the wild, they are known to live as little as one year. In summer, the fur of the Djungarian hamster on the back changes from ash-grey to dark brown, or sometimes pale brown with a tint.