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 the thorn scrub. A Buff-collared Nightjar repeats its Spanish nickname, Tucuchillo. And a Chuck-will’s-widow like this one calls from a woodland. Learn more at BirdNote.org.