
Lucy and Selam’s Species Climbed Trees: Australopithecus Afarensis Shoulder Blades Show Partially Arboreal Lifestyle
ScienceDaily (Oct. 25, 2012) — Australopithecus afarensis (the species of the well-known “Lucy” skeleton) was an upright walking species, but the question of whether it also spent much of its time in trees has been the subject of much debate, partly because a complete set of A. afarensis shoulder blades has never before been available for study.