How do you tell a boy dinosaur from a girl dinosaur?

April 22, 2015 7:04 PM

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How do you tell a boy dinosaur from a girl dinosaur?

WASHINGTON (Reuters) - For extinct creatures like dinosaurs known only from fossils, it is notoriously difficult to differentiate the males from the females of a species because sex distinctions are rarely obvious from the skeletons.

But in the case of the well-known Jurassic dinosaur Stegosaurus, a study published on Wednesday may provide a handy how-to guide on telling the boys from the girls based on the shape of the big bony plates protruding from its back.

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