The hand bones also showed that Hadropithecus had very short thumbs and was a quadrupedal species, walking on all fours, much like many primates, such as baboons, do today.

• 手骨还显示了巨型狐猴有着非常短的拇指，是一类四足动物，即同时用四条腿走路，这点与今天狒狒等许多灵长类动物十分相似。