Giant Panda’s “Amazing” Feature Developed at Least Six Million Years Ago
An artist reconstruction of Ailurarctos from Shuitangba. The grasping function of its false thumb (shown in the right individual) has reached to the level of modern pandas, whereas the radial sesamoid may have protruded slightly more than its modern counterpart during walking (seen in the left individual). Credit: Illustration by Mauricio AntonEating bamboo? It’s all in the wrist.When is a thumb not really a thumb? When it’s an elongated wrist bone of the giant panda that is used to grasp bamboo. Through its lengthy…