world’s smallest birds

world’s smallest waterfowl: african pygmy goose

world’s smallest parrot: buff-faced pygmy parrot

world’s smallest dove: dwarf fruit-dove

world’s smallest bird of prey: a tie between the black-thighed falconlet and the white-fronted falconlet

world’s smallest gull: the little gull

world’s smallest quail: the king quail

and the smallest bird of them all…the bee hummingbird!