In a discovery that has stunned paleontologists around the world, researchers in Argentina’s Río Negro province in the Patagonia region have unearthed a perfectly preserved dinosaur egg estimated to be around 70 million years old.
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The egg closely resembles that of an ostrich and is believed to belong to a small carnivorous dinosaur of the genus Bonapartenykus, which lived during the Late Cretaceous period.
This find represents one of the rarest cases of dinosaur egg preservation ever recorded. The research team suggested that the egg might contain fossilized embryonic remains, and announced plans to conduct advanced imaging tests to confirm the presence of organic material inside.
Gonzalo Muñoz, from Argentina’s Bernardo Rivadavia Museum of Natural Sciences, told National Geographic:
“It was absolutely astonishing. Finding dinosaur fossils isn’t rare, but discovering an egg in such pristine condition is truly exceptional.”
An Extraordinary Discovery
Muñoz explained that carnivorous dinosaur eggs are extremely rare due to their fragile shells, which are similar to those of modern birds and easily degrade over millions of years.
He added that this discovery is “extraordinary and astonishing by every measure” because of the rarity of finding intact specimens of this kind.
The newly found egg will be transferred to Argentina’s Museum of Natural Sciences for detailed studies that could shed new light on dinosaur evolution and hatching mechanisms.
The discovery also coincided with the unearthing of mammalian teeth and snake vertebrae at the same site, suggesting the area may have once served as an ancient nesting ground.
Over 70 Million Years Old
A video captured at the excavation site showed the moment the egg was found lying on the sandy surface—astonishingly well-preserved despite its immense age.
In a post shared on Instagram, the research team wrote:
“This may be the first discovery of its kind in South America. The fossil is over 70 million years old, and we have found an entire cluster of eggs.”
