Jack Hanna's long goodbye: How Alzheimer's is stripping away the man the world once knew

Columbus ZOO Names Manatee After Lizzo | FAMOUS NEWS

Jack Hanna from the Columbus Zoo talks about his first job

Columbus Zoo and Aquarium | Why Live in Columbus, Ohio?

Why do Gibbons Sing? — Columbus Zoo Qs

Zoo Tours: CONGO EXPEDITION | Columbus Zoo & Aquarium

Inside the Columbus Zoo and Aquarium's groundbreaking work in conservation l Nightline

Zoo Tours: The Award Winning Heart of Africa | Columbus Zoo & Aquarium

Columbus Zoo and Aquarium FULL TOUR 2022 | Exhibits, Tips & Animals

The Columbus Zoo and Aquarium from 1927- 2021 Presented by Dr. Michael Kreger

Who Has the Toughest Stomach at the Columbus Zoo? — Columbus Zoo Qs

Tunnel of Love (Full Episode) | Secrets of the Zoo

Zoo Tours: Asia Quest | Columbus Zoo & Aquarium

Columbus Zoo and Aquarium Hits Milestone With First Ever Successful Birth of Seadragon Babies

Man Gets Tased at Columbus Zoo After Refusing to Follow Officer's Direction

A Gorilla Birth Brings Two Surprises for the Columbus Zoo

Columbus Zoo And Aquarium Celebrates Birth Of Critically Endangered Gorilla

Wildlights returns at the Columbus Zoo and Aquarium

Investigation: Columbus Zoo execs used resources for sporting events, housing for relatives

Wild Wonders Unlimited: A Fascinating Journey through the Columbus Zoo!