Company news about Interesting Facts About the Dinosaur(2): Some Dinosaurs Could Live to 300 Years Old

Interesting Facts About the Dinosaur(2): Some Dinosaurs Could Live to 300 Years Old

2024-03-21

"Paleontologists estimate that the lifespan of large dinosaurs ranged from 75 to 300 years. However, these estimates are based on what we already know about cold-blooded animals. If dinosaurs were warm-blooded, their lifespans would likely be shorter," writes Laura Mears.

Most estimates suggest that long-lived dinosaurs lived at least 75 years, with some possibly reaching up to three centuries, though the exact age remains debated.

Some also argue that dinosaurs were homeothermic, meaning their body temperature remained relatively constant.

Additionally, the enormous size of some dinosaurs suggests that if they were warm-blooded, they might have risked overheating from the inside. This supports the idea that they were cold-blooded and had long lifespans.

In contrast, Michael D'Emic, a paleontologist at Stony Brook University in New York, believes that dinosaurs were warm-blooded, similar to today’s mammals. Last year, some researchers proposed that dinosaurs were neither fully cold-blooded nor warm-blooded but somewhere in between. However, D'Emic disagrees with this view.

He reached his conclusion by considering the weight and growth rates of dinosaurs as inferred from fossils to assess their metabolism.

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