Some birds, such as the Northern Bobwhite, take their names from their songs or vocalizations: "Bobwhite! Bobwhite!" The Killdeer is another bird named for its song: "Kill-dee, kill-dee, kill-dee." There are others. "Poorwill, poorwill, poorwill" calls this Common Poorwill. This bird is
As darkness descends on a May evening, the voices of many birds go quiet. But for some birds, especially those known as nightjars, the music is just beginning! An Eastern Whip-poor-will shouts out its name. The call of a Common Poorwill echoes across a canyon. A Common Pauraque calls from
Close kin to the Whip-poor-will, the nocturnal Common Poorwill can be heard in summer in the rocky scrublands of the West at the deep end of dusk. And the Common Poorwill's greatest claim to fame? It was the first bird confirmed to hibernate, based on evidence verified in 1946. Since then
Common Poorwills don’t sing much when the mercury drops. But they can do something else that is remarkable. As the winter cold deepens, these petite members of the nightjar family can enter a hibernation-like state — and stay like that for hours — or even weeks! Scientists call it torpor
