Herbivore. Low lying plants and soft leaves at the top of trees.
(155 – 150 million years ago)
The stocky Apatosaurus had a slow, plodding gait and an extraordinary neck that it could bend sideways into a U-shape. Grazing in a wide arc it may have swallowed without chewing, instead relying on gut microbes to digest large quantities of vegetation and maintain its huge body size.