Its muscles are such that it is quits incapable of moving at a speed of over a kilometer an hour even over a shortest distances and the swiftest movements it can make is a sweep of its hooked arm.

• 树獭的肌肉一样也很懒散，以至于哪怕在最短的距离内，它的移动时速也超不过一公里，它最快的动作就数挥动它那钩状手臂了。