https://www.smithsonianmag.com/smart-news/to-researchers-surprise-this-giant-dinosaur-laid-eggs-in-a-cold-climate-180989474/
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“To Researchers' Surprise, This Giant Dinosaur Laid Eggs in a Cold Climate Skip to main content Search Shop Newsletters Renew Give a Gift Subscribe Membership i Subscribe Give a Gift Renew Sections Smart News History Science Innovation Arts & Culture Travel At the Smithsonian More from Smithsonian magazine Newsletters Photo Contest Podcast Videos Our Partners Smithsonian Store Smithsonian Journeys Subscribe to Smithsonian magazine and get a FREE tote.”
““Buried in sand, soil, or vegetation, the nest would stay humid or damp enough for the eggs to survive,” says Zelenitsky.”
“The research highlights how dinosaurs adapted to environmental conditions, says Zelenitsky to the CBC .”
“Titanosaurs belonged to a group of long-necked and four-legged dinosaurs called sauropods.”
“A study published this past June finally identified it as belonging to a titanosaur.”
“It’s usually harder for such large animals to find the resources needed to survive and reproduce in such a climate.”
“Looking at fossilized titanosaur eggs found in southern Argentina’s Chorrillo Formation, a study published in the journal Royal Society Open Science today offers a new understanding of how dinosaurs survived and reproduced so far from the equator.”
“Zelenitsky and her colleagues then took a closer look at the pores on the eggshells using microscopes and micro-CT scanners.”
“To Researchers’ Surprise, This Giant Dinosaur Laid Eggs in a Cold Climate A new study suggests that titanosaurs used rotting vegetation to keep their eggs warm much like crocodiles do today Sara Hashemi | Daily Correspondent September 9, 2026 4:29 p.m.”
“This suggests the giant creatures incubated their eggs using a technique shared by modern crocodiles—using piles of rotting vegetation for heat.”
“It holds the distinction of being the first dinosaur fossil ever collected from Antarctica.”
““That titanosaurs laid eggs at such high latitudes is inherently interesting, especially since the evidence points to mound incubation by plant decay as the main source of heat for these animals,” he says.”
““Their eggshells were very porous, which means if the eggs were left out in the open, they would lose water, dry out, and the embryos would die,” Zelenitsky explains to CNN .”
“They date back to about 68 million years ago, when the site, sitting at between 55 degrees and 60 degrees south latitude, had a climate comparable to New York City today, Zelenitsky tells Emily Chung at the Canadian Broadcasting Corporation .”
“Robert Reisz , a paleontologist at the University of Toronto who was not involved in the study, tells Ivan Semeniuk at the Globe and Mail that the study provides new insight on the dinosaurs' reproductive strategies.”