Tiny, Mighty Hummingbirds They’re the smallest birds in the world AND the most incredible flyers. … Animal Stories Birds booted racket-tails, flower, giant hummingbird, hummingbird, iridescence, lichen, mexican violentear, nectar, pollen, ruby-throated, sparkling violetears, sword-billed hummingbird, tufted coquette, violet sabrewing, white-tipped sicklebill