Strange sauropod dinosaurs had sails on top of their long necks

Amargasaurus was an unusual long-necked sauropod dinosaur with pairs of 60-centimetre-tall spines on its neck bones – and we now know they supported neck sails

Strange sauropod dinosaurs had sails on top of their long necks
Amargasaurus was an unusual long-necked sauropod dinosaur with pairs of 60-centimetre-tall spines on its neck bones – and we now know they supported neck sails