The Early Show

Jack Hanna's Wild Life

June 9, 2010 / 2:33 PM EDT / CBS News

Jack Hanna was on hand Thurtsday at the opening of the Columbus Zoo's 20 million "Polar Frontier" exhibit, which features animals from the Arctic Circle.

Jack Hanna Closer Than Ever to Polar Bears

Jack Hanna holding baby Bengal tigers.

Following the tragic death of Dawn Brancheau, a trainer at SeaWorld who died after being drowned by a killer whale named Tilikum, wildlife expert Jack Hanna, who knew Bancheau, said he still supports SeaWorld and their decision to keep the killer whale, despite its past with two human deaths.

Jack Hanna "Takes Hat Off" to SeaWorld

Jack Hanna, director emeritus of the Columbus Zoo, is seen here in 1993.

Jack Hanna arrives in a custom Land Rover for "Rhino Rally" safari river adventure ride at Busch Gardens in 2005 in Tampa, Fla.

Jack Hanna is seen holding a baby leopard in 1998.