The largest known dinosaur nest fossils base

Not long ago, paleontologists in Europe in the southern Pyrenees in Spain, dating back about 6 in 65 million years to the late Cretaceous period 70 million years ago, found in coastal sediments of a large number of dinosaur bones and fossil fragments Dinosaur egg fossils. Because fossils are too rich, so that in the end no one can predict how many. Autonomous University of Madrid paleontologist Joseph – Professor Sands visited the region an area of ??9 square kilometers of the coast of ancient fossils, found that this is a huge dinosaur nesting sites. Such large-scale dinosaur nesting sites is the worlds largest known so far.

Professor Sands of those buried in the sand in the fossil bone fragments without the touch of a sample survey and egg fossils found in a nearly 1 million cubic meters of sand to even buried 300,000 eggs.In the laboratory, eggs for these electron microscopy revealed that the shell in those embryos with oxygen micro-pores is not the same birds, which confirms the identity of their eggs.In the wild, Sands also found some slight is likely to be young dinosaur bone fragments. At the same time, also found 24 nest egg saved very complete fossils, each egg nest inside diameter of about 1-7 cm round of 20 eggs, they are irregularly arranged in the egg into the nest. This arrangement of the egg nest and the last nest of dinosaur eggs found in other completely different, for example, scientists have found dinosaur eggs in Mongolia in the eggs from the nest were the rules of spirally arranged.

Because only 1 meter from the surface up and down the nest of dinosaur eggs preserved very well, so that the Sands, came to this cluster to the “new immigrants” come here before certainly not trample on the main left towards the dinosaur egg nest, This seems there is such a crowded situation – the nest egg each other in the sandstone are generally not separated by the distance to 1 meter. Sands Under these circumstances speculation, was particularly fond of dinosaurs in this region is certainly, to the annual breeding season have come here to breed egg.Sands regrets that he can not be identified in this region of the species of dinosaur egg, because he just found some fossil bones are broken, not enough to provide the ability to identify sufficient evidence of dinosaur species.

However, the worlds largest dinosaur nesting sites or for scientists with many other information. For example, this is the first time that the dinosaurs may like to nest in the sea of ??evidence. Dinosaur nesting habits of the sea like it may be due to the soft beach sand to protect the birth of the egg, to prevent its fragmentation. In the past, scientists have discovered in marine sediments from the young dinosaur bones, but that is likely to be individual water rushed into the sea to form a dinosaur fossil. The Spanish discovered these coastal sediments preserved dinosaur egg nest fossil is the first in a beach nesting behavior to determine the correct evidence.