A war mastiff named Dragon kept vigil over his fallen Templar master for three days amid the stench and chaos of Acre.

In the summer fog of 1958, a wild sea lion named Etta dove into a riptide twice to push two drowning children back toward safety.

Bucephalus carried Alexander through rain, arrows, and elephants until the warhorse finally gave everything he had left.

A Korean War racehorse turned battlefield legend, Reckless made 51 trips under fire in a single day and became a Marine through sheer will and endurance.

Wisdom, a 70-year-old albatross, has spent a lifetime outlasting wars, storms, and entire generations of scientists.

Two sled dogs, Togo and Balto, pushed through the deadliest winter Alaska could throw at them to carry a town’s last hope for survival.

Hachikō became Tokyo’s quiet heartbeat of devotion, waiting nearly a decade at Shibuya Station for a master who never returned.

An ape who learned to talk back, Kanzi shattered the line between human and animal by mastering symbols, jokes, and even fire.