Long, lean limbs, high shoulders, and a 30-foot-long (9-meter-long) neck allowed Brachiosaurus to graze from the treetops of North America and parts of Africa, where its fossils have been found.

• 长期以来，倚赖四肢，高的肩膀，和一个30英尺长（9米长）颈部允许腕龙，以吃草及树丛的树梢在北美和非洲部分地区，其化石的已经找到和发现。