drill

Introduction References & Edit History Related Topics

Images & Videos

Illustration of a male drill monkey (Mandrillus leucophaeus) standing on all fours, showing its robust build, dark face with a white beard, and short tail, with a scale bar indicating size.

The video thumbnail image shows two black and white photos of monkey and ape heads, surrounded by blue and pink circles.

Old World and New World monkeys

Line drawings of seven anthropoid primates-pale-headed saki, drill, tamarin, sooty mangabey, gorilla, siamang gibbon, and spider monkey-each labeled with their common and scientific names, illustrating differences in body shape and posture.

drill: Media

primate

Videos

The video thumbnail image shows two black and white photos of monkey and ape heads, surrounded by blue and pink circles.

Monkeys vs. Apes: What's the Difference?

When in doubt, check for a tail.

Video: Encyclopædia Britannica, Inc.

Images

Illustration of a male drill monkey (Mandrillus leucophaeus) standing on all fours, showing its robust build, dark face with a white beard, and short tail, with a scale bar indicating size.

drill (Mandrillus leucophaeus)

Drills (Mandrillus leucophaeus) are found from southeastern Nigeria to...

Encyclopædia Britannica, Inc.

Old World and New World monkeys

Old World and New World monkeys

Old World and New World monkeys.

Encyclopædia Britannica, Inc.

Line drawings of seven anthropoid primates-pale-headed saki, drill, tamarin, sooty mangabey, gorilla, siamang gibbon, and spider monkey-each labeled with their common and scientific names, illustrating differences in body shape and posture.

selected anthropoids

Body plans of representative anthropoids.

Drawing by R. Keane

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