Giant panda cubs are usually born in August or September and are the size of a stick of butter. A cub has pink skin, a thin coat of white fur, a long tail, and no teeth. Its eyes are closed. By the end of the first month, the baby panda has all of its spots. Its eyes open around 4-6 weeks. A baby panda is almost 2 months old before it is the size of an average human newborn baby. A baby is almost 2 years old when it leaves its mother.