They have small, dark marks on their head and back.

What can I use for dark marks on my skin?

There were two large, dark marks on the stone floor.

It is usually mostly white, with light to dark marks.

There was a dark mark on the upper half of her breast.

Buy them fresh and bright green, with no dark marks.

This is a pale species with a series of dark marks along the back.

There were other, dark marks on her shoulders and sides.

The fins have black or brown dark marks on them.

George absently rubbed the dark mark on the side of his face.