Bunnies, Cheetahs, Parrots, Oh My!

Jack Hanna

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jack hanna
Jack Hanna, animal extraordinaire and host of "Jack Hanna's Animal Adventures," dropped by "Good Morning America" and brought some members of the animal kingdom along with him. At left, Sprout may look like a baby, but this bunny is full grown. This little ball of fur is the smallest rabbit in the world, according to Hanna. (Ida Astute/ABC)
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