A NEW species of dinosaur has been discovered on the Isle of Wight with a distinctive feature on its back and tail that could have been used to woo partners.

Similar bone structures on other dinosaurs have long left experts stumped, with theories ranging from body heat regulation to fat storage.

But scientists believe the "eye-catching sail" on this particular type of dinosaur served as "visual signalling, possibly as part of a sexual display".

The fresh find was found among a treasure trove of 125million year-old fossils already obtained by the Natural History Museum.

They were previously thought to be from one of the two similar known local species called iguanodontian.

However, upon closer inspection scientists realised there was another.

It's been called Istiorachis macaruthurae,

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