Time compiled a list inspired by the story following the Japan tsunami, where a dog remained alongside its trapped canine companion until it was dug out by rescue workers.
The top ten list includes a miniature horse used for therapy in senior homes, a carrier pigeon that helped save soldiers, and Trakr, trained as a police dog in Canada, the animal was credited with locating the last survivor beneath the rubble of the World Trade Center in New York after September 11.



























