Jack Hanna has hosted TV shows about wildlife since the premiere of ``Jack Hanna's Animal Adventures'' in 1993 and has become a zoological authority in his 30-plus years working at the Columbus Zoo and Aquarium in Ohio. On ``Wild Countdown,'' he uses his knowledge and experience to present count-down lists of rare, fascinating creatures -- appropriate, given Hanna's many appearances on ``Late Show With David Letterman.'' Topics include beasts equipped with armor, deceptively cute -- but dangerous -- animals, and adorable baby critters.
- Sep 03, 2011
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