I think you should read the article a little more closely. This is building on data not only from the Taung child, but also from an Ohio State study on the predatory habits of certain birds. The study shows that birds did indeed hunt the way Berger suggests, from the evidence on thousands of monkey skulls. Similar damage is found on the Taung child, which would suggest that it was killed in the same way.
Slashdot Mirror
I think you should read the article a little more closely. This is building on data not only from the Taung child, but also from an Ohio State study on the predatory habits of certain birds. The study shows that birds did indeed hunt the way Berger suggests, from the evidence on thousands of monkey skulls. Similar damage is found on the Taung child, which would suggest that it was killed in the same way.