'Tails' of Courage & Survival: Real-Life Pet HeroesRescue pets ... to the rescue! Meet five brave furry friends who have paid it forward

ROCKY

When Rocky's owner Floyd Tibbetts of Susanville, Calif., collapsed during a hike due to a low heart rate, the 4-year-old Labrador retriever licked his face and hands to keep him awake on what ended up being a seven-hour trek home. "Floyd would have died in the woods, and we would have never found him," said Tibbetts's wife, Dawn.