Thylacine, Tasmanian devil? That's going to hurt.

So first of all, what is a Tasmanian devil?

So this Tasmanian devil cancer is perhaps the ultimate cancer.

My personal aim is to defeat the Tasmanian devil cancer.

And the answer came from studying the Tasmanian devil cancer's DNA.

What could it be? Why couldn't it be a Tasmanian devil?

But the Tasmanian devil population has been undergoing a really extremely fast decline.

The Tasmanian devil got its name from the terrifying nocturnal scream that it makes.

He's a Tasmanian devil that we found with a large tumor on his face.

But that is where the Tasmanian devil cancer has acquired an absolutely amazing evolutionary adaptation.

Let's prevent the Tasmanian devil from being the first animal to go extinct from cancer.

And then the Tasmanian devil is going to pop a thylacine out the south end.

Well the next breakthrough came from studying hundreds of Tasmanian devil cancers from all around Tasmania.

Scientists around the world were intrigued by this cancer, this infectious cancer, that was spreading through the Tasmanian devil population.

And just as the Tasmanian devil cancer is contagious through the spread of living cancer cells, so is this dog cancer.

But not many people know that there actually is a real animal called the Tasmanian devil, and it's the world's largest carnivorous marsupial.

Tasmanian devil is found only on the island of Tasmania, which is that small island just to the south of the mainland of Australia.

In fact, growing up in Tasmania, it always was incredibly exciting when we got a chance to see a Tasmanian devil in the wild.

The story begins in 1996 when a wildlife photographer took this photograph here of a Tasmanian devil with a large tumor on its face.

In fact, in the area where she comes from, more than 90 percent of the Tasmanian devil population has already died of this disease.

That means that all of these cancers actually are the same cancer that arose once from one individual devil, that have broken free of that first devil's body and spread through the entire Tasmanian devil population.

The Tasmanian devil has shown us that, not only can cancer be a contagious disease, but it can also threaten an entire species with extinction.

Seeing Tasmanian devils instead of pink elephants.

The Tasmanian devil is predominantly a scavenger, and it uses its powerful jaws and its sharp teeth to chomp on the bones of rotting dead animals.

It is, shortly, going to think it's got the ugliest Tasmanian devil baby in the world, so maybe it'll need some help to keep it going.

You devil!

The devil.

Tasmanian devils are actually quite adorable little animals.

What the devil?!

The public devil

What the devil...?

What the devil?

In fact, more genetic profiling told us that this tumor in Jonas actually probably first arose from the cells of a female Tasmanian devil and Jonas was clearly a male.

The Devil may come.

Devil take the hindmost.

She's a little devil.

That's the Devil speaking.

Einstein, you little devil!

No Devil, no God.

You serve the Devil.

Speak of the devil!

There's the little devil.

That Tasmanian devil's not even going to know it gave birth.

Give the devil his due.

Give the devil his due.