Published: December 1, 2015
Dinosaur Nesting, RESEARCS-EX-RS have recently discovered that dinosaurs had an innovative nesting style that may have led to the evolutionary success of modern birds.
The study, published in the journal Plos One, details for the first time the link between dinosaur eggshell porosity and different nesting types, and shows how the prehistoric creatures’ nesting styles correlate with the way crocodiles and birds — the dinosaurs’ closest living relatives — nest.
The question of how dinosaurs incubated their eggs has been debated among scientists for years.
“Nest structures are usually not preserved in the fossil record, making it difficult to determine if dinosaurs buried their eggs during incubation like crocodiles, or if they were incubated in more open nests as in brooding birds,” study co — author Kohei Tanaka of the University of Calgary told FoxNews.com.
“There are many papers that seek the incubation method of dinosaurs, but our research is one of the most comprehensive studies in that it analyses large datasets on the eggs of both living and fossil species.”
Tanaka and his team, under the supervision of dinosaur egg and nesting site expert Darla Zelenitsky, studied the fossilised eggshell porosity of 30 different dinosaur species before comparing them with the porosity of eggs belonging to 120 species of birds and crocodiles.
“Fossil eggs are more challenging to study because fossil specimens are often incomplete,” Tanaka said.
“However, some of the microscopic features of the eggshell, such as porosity, are preserved, and can be used to infer the types of nests in dinosaurs in the absence complete nests.”
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