Upright Giants: Reevaluating the Sauropods' Unlikely Feat The notion that dinosaurs were clumsy, lumbering beasts is a familiar one in popular culture.
However, recent research has revealed that some sauropods may have been more agile than previously thought.
A study published in Palaeontology suggests that certain species of these long necked herbivores could stand upright on their hind legs for extended periods, at least when they were younger.