Cher Ami

was a homing pigeon. In WWI  Cher Ami  saved 194 men by continuing her flight after losing a leg, an eye and having been shot in the chest.They were cut off from the rest of the Allied forces and had called in artillery on the Germans in front of them(and beside them). But there was an error so the rounds ended up landed on them. The message the pigeon was carrying pretty much said "for the love of God, stop the guns. You're killing us."

 Cher Ami became the hero of the 77th Infantry Division. Army medics worked long and hard to save her life. They were unable to save her leg, so they carved a small wooden one for her. When she recovered enough to travel, the now one-legged bird was put on a boat to the United States, with General John J. Pershing personally seeing Cher Ami off as she departed France.
Upon return to the United States, Cher Ami became the mascot of the Department of Service. The pigeon was awarded the Croix de Guerre Medal with a palm Oak Leaf Cluster for her heroic service in delivering 12 important messages in Verdun. She died at Fort Monmouth, New Jersey, on June 13, 1919 from the wounds she received in battle and was later inducted into the Racing Pigeon Hall of Fame in 1931. She also received a gold medal from the Organized Bodies of American Racing Pigeon Fanciers in recognition of her extraordinary service during World War I.
 Incredible.

More about Cher Ami and her photo.