Silver tails are a race of neko like humanoids. Very few ever make it past birth and as such not many exist. The Silver tails are known for their silver, almost white, hair and rainbow hued eyes. Silver tails live on Kittonapou, a planet far out in the solar system. There they live in villages, hunting and gathering as a large family unit. They are a proud but kind race and do not take kindly to outsiders wandering their lands.
Silver tails live by controlling their emotions and actions. Encouraging their negative emotions leads to their hearts corrupting. When a heart is completely corrupted the individual is consumed by rage and hate. They are cruel, driven by there hate and rage.
When a Silver reaches maturity they are reborn into what is know as a Silver Phoenix. Silver Phoenix are powerful beings of light. Should a corrupted Silver tail be reborn they will be a being of darkness. As seen here:
If the Silver tail is pure of heart they look very different as seen here: