Calothorax
Encyclopedia
Calothorax is a genus of hummingbird
Hummingbird
Hummingbirds are birds that comprise the family Trochilidae. They are among the smallest of birds, most species measuring in the 7.5–13 cm range. Indeed, the smallest extant bird species is a hummingbird, the 5-cm Bee Hummingbird. They can hover in mid-air by rapidly flapping their wings...

 in the Trochilidae family.
It contains the following species:
  • Beautiful Sheartail (Calothorax pulcher)
  • Lucifer Sheartail (Calothorax lucifer)
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