A pair of fossilized baby pterosaurs, nicknamed Lucky I and Lucky II, are telling paleontologists all about what the weather was like 150 million years ago, and it was nasty.

Their multi-epoch-spanning chit chat about the weather begins in what is now southern Germany, in a fossil goldmine known as the Solnhofen Limestone, a prehistoric lagoon turned limestone quarry famous for preserving everything from early birds to tiny flying reptiles in incredible detail.

As reported by Science News, researchers recently gave Lucky I and Lucky II the fossil equivalent of an autopsy and found something unsettling: both had fractured humerus bones, the upper “arm” of their wings. They were broken at clean, oblique angles. These weren’t post-death breaks from pressure or scavengers; they looked like i

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