A surprising discovery recently made waves in paleontology in Argentina’s Patagonia: an intact carnivorous dinosaur egg, possibly 70 million years old, was uncovered during a live-streamed excavation on YouTube.
On October 7, 2025, paleontologists were exploring the Rio Negro steppe when they came across a small nest. One of the researchers said, “At first, we thought it might belong to a bird, maybe an emu. But as we started digging it up, we realized it was full of soil… and it completely amazed us.”
The expedition video, called Expedición Cretácica I, quickly went viral on social media. Federico Agnolín, the team leader, confirmed it was a dinosaur egg. The area is well known for fossils of theropods — carnivorous dinosaurs — and it’s highly likely the egg belongs to this group.
The find is even rarer because carnivorous dinosaur eggs have thin shells that make preservation difficult. This feature is also seen in modern birds, the evolutionary descendants of theropods.
According to paleontologists at Conicet, the egg’s state of preservation is “almost perfect,” which is exceptional for a fossil around 70 million years old. If it contains an embryo, it will offer valuable opportunities for detailed studies of these ancient predators’ microanatomy.
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