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How Did Dinosaurs Hatch Eggs? Why Didn't They Crush?

Jan. 10, 2022

One can imagine ancient dinosaurs with large, bird-like bodies that weighed close to a modern rhinoceros. Considering their weight, how did they incubate their eggs? Would such weight have crushed the dinosaur eggs? Animatronic Dinosaurs supplier shows you.



Fiberglass Dinosaur Egg(FP-994)



If your first thought is that they "carefully" incubated their eggs, that's a good start, but more in-depth analysis is needed. Researchers have studied oviraptorosaurs, showing that they sat in a doughnut-like, circle-shaped egg nest with oval-shaped dinosaur eggs arranged in it, with some variation in the shape of the egg arrangement based on the size of the dinosaur.


The latest study shows that the egg nests of the smaller Stegosaurus species did not have a hollow donut structure or a smaller hollow area, and they simply sat on top of the dinosaur eggs, while the larger Stegosaurus species had a large hole in the center of the nest, so that they sat on the nest without crushing the dinosaur eggs arranged around it.


However, modern birds do not have this type of "egg-hatching technique," and some experts believe that birds evolved from theropods, which were mainly carnivorous bipeds, such as Stegosaurus and Tyrannosaurus. Large carnivorous dinosaurs, such as Tyrannosaurus rex and Southern Megalosaurus, may have nested and laid eggs, as did Cichlidosaurus, and then stood by to wait for the eggs to hatch.


Smaller duck-billed dinosaurs, whose eggs were equally large relative to their own, would have built nests and laid eggs and then guarded them until the babies hatched. When paleontologists discovered the duck-billed dinosaurs, they believed that these large guys, which could reach 9 meters in length, would have incubated their eggs on their nests, but current research suggests that they would have crushed their eggs and stayed on the side to guard the nests.


Fiberglass Dinosaur Egg(FP-993)



Over the years, researchers have found a large number of well-preserved fossil eggs and bones of Stegosaurus, including fossil evidence of a mother Stegosaurus sitting on the nest. Technically, dinosaur nests are not fossilized, so scientists refer to the preserved eggs as "nests," and for simplicity, we will refer to them as "egg nests. As can be seen from the giant egg-stealing dinosaur nests found, there were no eggs in the middle, and the eggs were placed in a ring shape around the nest to prevent the dinosaur's own weight from crushing the eggs, and the land in the middle held up the dinosaur's body.


After measuring the size of the doughnut hole in the center of the nest, researchers found that small egg-stealing dinosaurs were able to sit on dinosaur eggs in diameter, or on a small hole in the center of the nest. Meanwhile, the larger dinosaurs placed their eggs farther away from the center of the nest, meaning that when they sat down, their bodies barely touched the eggs.


These donut holes make it easy for adult egg stealers to sit on the nest and may even allow the dinosaur's body to touch the egg, and the dinosaur's body will serve as a protective cover to provide heat for the newborn baby dinosaur.


Lives are amazing. If you want to buy these models and structures, please get in youch with us, by email, we'll reply to you asap.

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