National Geographic : 1947 Aug
The National Geographic Magazine "A Flash of Harmless Lightning, a Mist of Rainbow Dyes" So the poet, J. B . Tabb, described the hummingbird. This tiny summer guest darts toward the feeding station with beak wide open. Viewed from the side, his ruby throat appears almost black (Plate IV). © National Geographic Society Kodachromes by larold E. Edgerton Tongue Extended in Anticipation, a Female Comes In for a Drink When she is feeding, her tongue darts in and out of the liquid with amazing rapidity. Hummers, known to ornithologists as the Trochilidae, are the smallest birds in existence.