Ancient Ancestors to Humans Had Not One, But Two Tails

Sarah Benton Feitlinger
Fri, 24 Feb 2017 11:03:19 -0800

It has always been believed that the final segment of the human vertebral column, the coccyx, or tailbone, is the remnant of a lost tail. Now, some researchers assert it may be the vestige of not one but two tails, both of which, humans and their closest relatives (great apes) managed to shed over millions of years of evolution.