Mysterious Giraffe Disease Has Scientists Baffled

It's unknown whether the condition, which causes bloody lesions, is contributing to the decline of the world's tallest mammals.

When Arthur Muneza was about to start his master's at Michigan State University in 2014, he faced a pivotal question: What did he want to study?

He considered many rock stars of the African animal kingdom: elephants, lions, even hyenas.

But then the biologist heard that few were studying the little-understood giraffe skin disease, and he knew he was onto something.

"We said, let's just go for it. Let's look at giraffe skin disease and see what we can get out of it," he says.

The mysterious condition, which is widespread in sub-Saharan Africa, causes grayish, crusty lesions on giraffe necks and legs. It's unknown what, if any, environmental factors are to blame, or even if it's a compilation of several

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.

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

'World’s worst shipwreck' was bloodier than we thought
World’s first ultrasounds of wild manta rays reveal a troubling truth
Titanic was found during secret Cold War Navy mission

Go Further

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