What is a pinky mouse and how is it used in the context of feeding reptiles as a live food source?

A pinky mouse is a newborn mouse that has not yet grown fur and is pink in color. In the context of feeding reptiles, pinky mice are often used as a live food source for small reptiles such as snakes and lizards. They provide a natural and nutritious meal for these carnivorous reptiles, helping them meet their dietary needs.