At around 3-5 inches the hummingbird measures in as one of the smallest birds in the world, and the title of smallest living bird does, in fact, belong to the hummingbird species with the Bee Hummingbird measuring between 5-6 cm and weighing less than a U.S Penny!
Named after the humming sound emitted by their beating wings, hummingbirds were idolized by the Aztec civilization. It was common for Aztec people to wear a hummingbird talisman as a representation of the bird and to draw on its noted characteristics of vigor, energy, and intimacy. The talismans were incredibly popular and also worn to bring sexual potency and fighting ability to the wearer. The Aztec god of war Huitzilopochtli is frequently depicted as a hummingbird and fallen Aztec warriors were believed to return to earth as hummingbirds if they were killed.