Happy birthday, Hannah Shirley! This year marks 52 trips around the Sun for the world’s oldest living pygmy hippopotamus in ...

Hannah Shirley, the world’s oldest pygmy hippo in managed care, was celebrated with a “Hungry Hungry Hippos”–themed party ...

Hannah Shirley, the world’s oldest living pygmy hippopotamus in managed care, is celebrating her 52nd birthday at the San ...

SAN DIEGO, Calif. (KABC) -- A mother pygmy hippo gave birth to a 12-pound baby Wednesday at the San Diego Zoo, making it the first surviving hippo birth in more than 10 years. The youngster was born ...

Hannah Shirley, the world’s oldest known pygmy hippo, marked her 52nd birthday at the San Diego Humane Society’s Ramona ...

Hannah the Hippo, now 52, celebrated her special day at the San Diego Humane Society’s Ramona Wildlife Center with onlookers ...