Jack Hanna
Jack Hanna is a longtime animal advocate and director emeritus of the Columbus (Ohio) Zoo and Aquarium. He's often appeared on television to discuss animals, including The Late Show with David Letterman and his own show, Jack Hanna's Animal Adventures.
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By Will Cabaniss
August 3, 2015
"In 1947, when I was born, there were about 450,000 lions. In the mid-70s, when my kids were born, there were about 100,000. Today, there…
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