Giant reptiles that ruled dinosaur-era seas might have been warm-blooded, a new study says. Researchers found that ancient ocean predators possibly regulated their body temperatures, which allowed for aggressive hunting, deep diving, and fast swimming over long distances. "These marine reptiles were able to maintain a high body temperature independently of the water temperature where they lived, from tropical to cold-temperate oceanic domains," said study co-author Christophe Lécuyer. (source: news.nationalgeographic.com)
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