Answer:
They don't forget.
What creature starts yellow inside and white outside, then becomes its first five before becoming the whole?
Cute hares that hop and deliver eggs at Easter are called by this nickname
What do tigers have that no other animal can have?
When it was young, it had a tail. When it grew up, it had knees
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.