Hummingbird - virtuoso flying skills

Hummingbirds are unique in many ways Yet just like all other birds they must court their mate The male thread-crest elf tries to impress the female in his own unique way The mating dance lasts only a few seconds The slow-motion camera reveals how skillfully and gracefully he moves For a bird that must conserve its energy so carefully this display seems nothing short of wasteful Yet by doing so the male also demonstrates his physical fitness Yet she appears largely unmoved by it