Silverback Mountain Gorilla

Male silverback mountain gorillas gain their distinctive silver tinge at about 13 years old, when they reach adulthood.

Photograph by Michael Nichols

Animals
Photo Gallery

Gorillas

See gorilla pictures in this photo gallery from National Geographic.

Published November 16, 2009

DON'T MISS THE REST OF THIS STORY!

Create a free account to continue and get unlimited access to hundreds of Nat Geo articles, plus newsletters.

Sign Upfor your free account. Or get a Premium Subscription, just $19.SUBSCRIBE

Create your free account to continue reading

No credit card required. Unlimited access to free content.

Or get a Premium Subscription to access the best of Nat Geo - just $19

SUBSCRIBE

Read This Next

Travel

Science

Science

History & Culture

Magazine

See how people have imagined life on Mars through history

Magazine

See how NASA’s new Mars rover will explore the red planet

Magazine

Why are people so dang obsessed with Mars?

Magazine

How viruses shape our world

Animals

The era of greyhound racing in the U.S. is coming to an end

Magazine

See how people have imagined life on Mars through history

Magazine

See how NASA’s new Mars rover will explore the red planet

Magazine

Why are people so dang obsessed with Mars?

Magazine

How viruses shape our world

Animals

The era of greyhound racing in the U.S. is coming to an end

Magazine

See how people have imagined life on Mars through history

Magazine

See how NASA’s new Mars rover will explore the red planet

Gorillas

Create your free account to continue reading

Read This Next

Go Further

Animals

Environment

History & Culture

Science

Travel

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Legal

Our Sites

Join Us

Create your free account to continue reading

Read This Next

AI can help you plan your next trip—if you know how to ask.

Did this mysterious human relative bury its dead?

This new birth control for cats doesn't require surgery

How the Zoot Suit Riots changed America

Go Further

Animals

Environment

History & Culture

Science

Travel

Subscriber Exclusive Content

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Why are people so dang obsessed with Mars?

How viruses shape our world

The era of greyhound racing in the U.S. is coming to an end

See how people have imagined life on Mars through history

See how NASA’s new Mars rover will explore the red planet

Legal

Our Sites

Join Us

Follow us