Aye-ayes have a head and body length of 360 to 440 millimeters and a long bushy tail. The coat is long and can be either dark brown or black in color, with white guard hairs. The face and throat are pale gray, and facial features include yellow-orange or sandy brown eyes surrounded by dark markings. Aye Ayes have large triangular ears, a short snout and a pink nose. They have delicate fingers and their long middle finger is used for eating, drinking, and grooming. They use narrow, vertical, horizontal, or oblique branches to support them in locomotion.