Family
Trochilidae (Hummingbirds)
Selasphorus rufus. Photo: (c) Kim Cabrera, some rights reserved (CC BY-NC-ND)
Hummingbirds are birds from the Americas that constitute the family Trochilidae. They are among the smallest of birds, most species measuring 7.5–13 cm (3–5 in) in length. Indeed, the smallest extant bird species is a hummingbird, the 5 cm (2.0 in) bee hummingbird weighing less than 2.0 g (0.07 oz).
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