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Last Updated: Tuesday January 06 2009 11:29 GMT

Scientists spot new pink iguana

An adult pink iguana in the Galapagos

Scientists think they've discovered a new species of iguana, and it's pink!

It's being called the Rosada iguana, because it's got rose-coloured scales, and it's been spotted in the Galapagos Islands, in the Pacific Ocean.

The colourful creature was first seen by park rangers back in 1986, but they thought it was a one-off and it was quickly forgotten about.

Now it's thought there are fewer than 100 of the animals living in the world and they're in danger of dying out.

Iguana facts
A black spiny-tailed iguana
They can grow to 1.85m long
They are vegetarians
Iguanas can live for 20 years
The large lizard only lives on one volcano in the Galapagos Islands.

But despite original thoughts that it was a one-off, scientists have now discovered that it's not just a freakish version of an ordinary land iguana.

Instead, it dates back more than five million years and evolved away from other iguanas when the Galapagos archipelago was still forming.