Physical Description
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Males are solid black in color, with the hairs sometimes brown.
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 Females are reddish-brown in color with their underside and outline of their face a lighter tan.
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They have a dark brown or gray muzzle and the back of their hands and feet are a similar dark color.
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Both sexes have blue eyes, hence the common name, and are one of the only primates other than humans to consistently have blue eyes.
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The eyes can range in color from shocking electric blue, a light sky-glue, or a softer gray-blue.
General Characteristics
Length :  90- 100 cm (34 – 40 inches)
Weight :  1.8- 1.9 kg
Tail Length : 51 to 65 cm 
Range – Northwestern tip of Madagascar. Its range extends from the Andranomalaza River in the north
Habitat – Primary and secondary subtropical moist and dry forest
Diet –Â Fruit, nectar, and pollen. During the dry season they eat leaves, seeds berries and barely insects.
What type of animal : Herbivore
Status – There are as few as 1000 remaining in the wild only today.
Reason for the status – Burn Habitat Destruction, and mild threat in hunting
Gestation Period – 120 to 129 days
Lifespan – 20- 25 yrs / 10- 15 yrs in the wild