AnimalsArchitecture Buildings Bridges RuinsArt BreakthroughArt PiecesArts Culture MusicBirdHummingbirdHummingbirds are among the smallest of birds with most species measuring 7.513 cm 35 in in lengthHummingbirds are birds from the Americas that constitute the family TrochilidaeHummingbirds are the smallest extant bird species with the 5 cm 2.0 in bee hummingbird weighing less than 2.0 g 0.07 ozHummingbirds have the highest metabolism of any homeothermic animalIndio CANatureNestNestingVacation CondoWildlifeWorldmark Condo© Rick Waller