Preserved pterosaur eggs hint at reptile's social life

3-D fossils discovered in China suggest flying reptiles laid eggs together

By Meghan Rosen, 14:28 PM June 6, 2014

A vast graveyard of eggs and bones suggests that a newly discovered flying reptile species, Hamipterus tianshanensis, probably nested in groups.

The find cracks open an old question about pterosaur life — whether the animals flocked together or flew solo. Pterosaurs’ fragile skeletons make finding intact bones tough. Fossil eggs are even rarer. Until now, scientists had found only four isolated, squished ones. So the lifestyle of the winged animals’ was mostly a mystery.

In northwestern China, ...

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