dinosaurs known is the earliest evidence of herd behaviour from the prehistoric reptiles.Palaeontologists made the 'sensational' discovery of chicken-sized eggs from the Mussaurus Patagonicus that once occupied Argentina.Over 100 dinosaur eggs with their embryos still inside, dating back 193 million years, were dug up in southern Patagonia, according to research published in Scientific Reports.
The site also contained the fossils of bones of around 80 juveniles and adults all belonging to the same species.Experts say that the site is the earliest evidence that the long-necked herbivore moved in herds, according to Sputnik.The plant-eater is estimated to have been able to grow to 6 metres in length and weighed over a tonne in the early.
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