Hummingbird
Hummingbirds are birds native to the Americas and constitute the biological family Trochilidae. They are among the smallest of birds, most species measuring in length. Indeed, the smallest extant bird species is a hummingbird, the bee hummingbird weighing less than .
Ornithoptera meridionalis
Ornithoptera meridionalis, the southern tailed birdwing, is the smallest species of the genus "Ornithoptera". It is known from a handful of localities in southeast Papua, New Guinea ("O. meridionalis meridionalis") and several localities along the south coast of Irian Jaya ("O. meridionalis tarunggarensis").