A stork bite is a pink, red or purple birthmark (patch of skin) on the back of your head or neck. What is a stork bite? A stork bite, also known as a salmon patch, is a cluster of pink to reddish-purple blood vessels (capillaries) that appear on a newborn’s skin on the back of their head or neck. A stork bite is a type of birthmark.

A Mongolian spot is a congenital hyperpigmented spot of varying size and shape that is usually grayish in color. It is caused by the abnormal occurrence of melanocytes in the lower half of the.