nightjars

Do Nightjars Sing? European Nightjars usually become active around sunset, singing most during the hour after dusk, and again before dawn. They can be heard from at least 200 metres away, sometimes up to a mile. Are nightjars active at night? Nightjars are medium-sized nocturnal or crepuscular birds in the family Caprimulgidae /ˌkæprɪˈmʌldʒɪdiː/ and order