World's oldest pygmy hippo marks 52nd birthday in California, winning hearts everywhere

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

World’s Oldest Pygmy Hippo Throws Birthday Bash With Delightful Twist

Anyone who meets Hannah falls in love with her,” said Wildlife Rehabilitation Supervisort Angela Hernandez-Cusick, ...