New footprint finds suggest range of body sizes for Lucy’s species

Sign of tallest known Australopithecus afarensis individual unearthed in Tanzania

A. afarensis footprints

BIG MARKS  Footprints of the largest known Australopithecus afarensis, dating to nearly 3.7 million years ago, have been found in hardened volcanic ash at Tanzania’s Laetoli site. These tracks run left to right.

Raffaello Pellizon

Famous footprints of nearly 3.7-million-year-old