'Like nothing seen in nature before': strange dinosaur has scientists enthralled

The highly unusual Ubirajara jubatus boasted a mane of hair-like structions' and two ribbon-like features', researchers say

About 110 million years ago along the shores of an ancient lagoon in what is now north-eastern Brazil, a two-legged, chicken-sized Cretaceous period dinosaur made a living hunting insects and perhaps small vertebrates like frogs and lizards.

On the inside, it was ordinary, with a skeleton similar to many small dinosaurs from the preceding Jurassic Period, scientists said on Tuesday. On the outside, it was anything but.