His wing membranes were the color of wine held before a lantern.

The pterosaur wing membrane is divided into three basic units.

"You should be just able to make 'em out behind the wing membrane."

In some species, the wing membranes join over the animal's back, making it appear hairless.

The wing membranes were dried and tough as leather, their span massive.

P'ter says he'll be out months growing back wing membrane.

The forearms are orange to red, and the wing membrane is black.

The wing membranes, ears, feet, and face are dark brown to blackish in color.

The hairless parts of the wing membranes are dark brown or black in color.

Its wing membranes attach to the second toe on each foot.