Homo ergaster hominids, artist's impression. H. ergaster is traditionally considered an early type of H. erectus by scientists. However, there are differences between the early populations of H. erectus in Africa and the later populations found in Europe, Africa and Asia. H. ergaster was a skillful hominid, capable of making and using advanced tools such as axes and cleavers, which have been found alongside remains. The evidence of such tools as well as the use of fire, suggests that H. ergaster had advanced skills and lived in close social groups.
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