Spring Sale: Get 1 Year, Save 58%

Carl Safina

Advertisement:

(<a href='http://www.shutterstock.com/gallery-1338889p1.html'>andamanec</a> via <a href='http://www.shutterstock.com/'>Shutterstock</a>)

Twenty-one was “the perfect wolf”: He was a legend — he never lost a fight, and he never killed a vanquished rival

Carl Safina