Preserved pterosaur eggs hint at reptile’s social life

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

NESTING GROUNDS  A recently discovered set of well-preserved pterosaur eggs belong to a new species of the flying reptile, and suggest the Cretaceous-age creatures nested in groups.

Maurilio Oliveira/Chuang Zhao

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