Hannah is a vital ambassador for the conservation of her species.

A pygmy hippo in Southern California broke two age-related world records this year alone. Hannah Shirley, who lives at the San Diego Humane Society’s Ramona Wildlife Center, became the oldest living ...

A very special hippo recently celebrated her birthday at the San Diego Humane Society's Ramona Wildlife Center, marking a rare and heartwarming milestone. Hannah Shirley, believed to be the world's ...

World Hippo Day 2026 delivers a clear message: strength alone does not ensure survival. With meaningful conservation efforts and continued action, future generations may still witness hippos resting ...