One of the most noticeable changes is that their neck will start to stand out more. When they’re younger it’s hard to see the place their neck ends and stomach begins however as they age this will turn out to be more distinctive. Pay particular consideration to a runny nostril, puffy cheeks, and pink eyes as a result of they might be a signal of a standard cold. As your Hamster gets older their eyes will start to change. In old age, their eyes might begin to get extra matte and so they may get sticky eyes. That’s why you will need to spend time together with your hamster frequently and to observe his conduct daily.