Physical Description
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Drills have a absences in bright colored facial skin.
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They have absences in prominent grooves in facial ridges.
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The facial coloration is black in color except for lower lip which is bright red in color.
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They usually are known by beards crests and manes.
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The Drills are Brown to yellowish tinge in color
Length : 70 cm ( 28 in )
Tail Length : 70 cm ( 28 in )
Shoulder height : 75 cm ( 30 in )
Weight 
Males : 20kg ( 44 lbs )
Females : 12.5 kg ( 27.5 lbs )
Range – Cameroon, North of the Sanaga River and on the coastal Island of Fernando Poo
Habitat – Lowland forest , Coastal and Riverine Forests of Western Africa
Diet – Fruits, leaves, invertebrates, and mainly termites
What type of animal : Omnivore
Status – Drills have declined in population the past 20 years
Reason for the status – Hunting vigoursly by humans, and habitat loss
Gestation Period :168 – 179 days
Lifespan – 28.6 years in captivity / 45 years in the wild