The common brown lemur (Eulemur fulvus) has a total length of 84 to 101 cm, including 41 to 51 cm of tail. Weight ranges from 2 to 3 kg. In both males and females, the face, muzzle and crown are dark gray or black, with white or tan "cheeks" of varying thickness. Some individuals may have pale-colored eyebrow patches, and the eyes are almost always a deep orange-red. The short, dense fur of the body is primarily brown or gray-brown, with a lighter gray or tan underside. The fur on the back of their hands is often a medium orange or reddish color, and their long, bushy tail is usually a darker shade of gray, black, or brown.