A unique fossil of a baby dinosaur curled up in its egg is shedding more light on the evolutionary links between birds and dinosaurs.
The fossil, some 70-million-years-old, preserves the embryonic skeleton of an oviraptorid dinosaur. You don’t have to remember that name though, as it has been nicknamed Baby Yingliang after the name of the Chinese museum which house it.
This is a very lucky find considering that baby dinosaur bones are very small and fragile and are very rarely preserved as fossils. Darla Zelenitsky, associate professor in the geoscience department at the University of Calgary in Canada, said that she has been working on dinosaur eggs for 25 years and has yet to see anything like it.
Up until now, little has been known of what goes on inside a dinosaur egg prior to hatching as there are so few embryonic skeletons.
The egg is around 17 centimetres long, with the dinosaur estimated to be 27 centimetres long from head to tail. Researchers believe that had it grown to adulthood, it would have been two to three meters long.
Researchers discovered that the dinosaur as others of his kind were changing poses in the egg similar to baby birds. All birds evolved directly from two-legged dinosaurs such as this, with some behaviours carrying on to today.
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