The family of “Jungle Jack” Hanna has revealed that the beloved former zookeeper is enduring an “advanced” stage of Alzheimer’s disease, where he doesn’t remember most of his own family.

BIGFORK, Mont. – As a sunset paints the sky pink on his Montana family farm, Jack Hanna sneaks a chunk of pizza to his golden retriever when a man approaches to greet him. “Hi Jack,” the ...

Jack Hanna, the charismatic zookeeper and television personality who gained national fame as director of the Columbus Zoo and Aquarium, is continuing to deal with the effects of Alzheimer’s disease.

Jack Hanna, who hosted several television shows on animals and was a regular presence on late night talk shows, is suffering from Alzheimer’s disease, his family has revealed in an interview ...

Jack Hanna's family recently spoke about his Alzheimer's diagnosis for the first time publicly. The zookeeper and media personality's family spoke to The Columbus Dispatch about the disease ...

Jack Hanna and his family are in the midst of a “long goodbye.” The former zookeeper, beloved animal expert and television personality is now living with advanced Alzheimer’s disease ...

Jack Hanna has been working with animals for decades as a zookeeper, a zoo director and a popular guest and host on a wide variety of television shows on which he shared his knowledge and passion ...

Jack Hanna's family shared a heartbreaking update amid the famed zookeeper and TV host's battle with Alzheimer's disease. The 77-year-old former director of the Columbus Zoo and Aquarium's family ...

Jack Hanna’s family is sharing a health update with his fans Screengrab from Jack Hanna's X page Three years after being diagnosed with Alzheimer’s, beloved zookeeper Jack Hanna’s family is ...

“Each day, we do our best to find joy,” the family of Jack Hanna tells PEOPLE Donna Svennevik/Disney General Entertainment Content/Getty Jack Hanna, the charismatic zookeeper and television ...