Long distance communication is important for life history processes in many species. Long-standing debate exists about the type of evolutionary history and environmental drivers which have shaped the ...

The Middle Jurassic is a critical time in the evolution of the dinosaurs because it witnessed the radiation of many groups, giving rise to a diversity of familiar forms such as the plated stegosaurs a...

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A well-preserved skeleton of a nearly mature tyrannosaur from the Hell Creek Formation in Montana, USA supports the existence of a second Nanotyrannus species, Nanotyrannus lethaeus sp. nov., and vali...