lemurs The general characteristics are similar to the northern spectacled lemurs, which are white circles around the eyes as if wearing glasses, which is the origin of the name. The body size is 45-57 cm long, tail 66-78 cm long, weighs 6-9 kg. An adult lemur has dark gray, almost black hair on the back. The hair on the sides of the face, on the tips of the hands and feet is dark gray. The outer femur and humerus are pale gray. The main characteristics used to classify this species of lemurs. is the color of the tail feathers black The new born cubs have a golden hair color.