Some workers reasoned that these features evolved to permit predation on insects, others proposed that they enabled the procurement of fruit from the tips of tree branches, and still others envisioned these traits as adaptations to a mode of locomotion co
Some workers reasoned that these features evolved to permit predation on insects, others proposed that they enabled the procurement of fruit from the tips of tree branches, and still others envisioned these traits as adaptations to a mode of locomotion co
有些研究者推断，这些特徵是为方便掠食昆虫而演化出来，有些人则猜测这些特徵让牠们得以采摘树枝末端的果子，还有其他人认为，这些特性是为了适应某种兼具抓握与跳跃的移动形式而演化出来的。