They could stand on their back legs to reach overhead foliage, although they traveled on all fours, probably in a rocking gait, because their rear legs were longer than their front.

• 鸭嘴龙为了搆到头顶上方的叶子，可以用两只后脚站起身来，平常则四脚并用到处行动；由于牠们的后脚比前脚长很多，因此可能以摇摆的步伐前进。