Common Nighthawk (Chordeiles minor), Perched on a Post on the Plains of Colorado. The common nighthawk is a medium-sized crepuscular or nocturnal bird within the nightjar family, whose presence and identity are best revealed by its vocalization. Typically dark brown), displaying cryptic colouration and intricate patterns, this bird is difficult to spot with the naked eye during the day. Once aerial, with its buoyant but erratic flight, this bird is most conspicuous.

圖片編號： 76007302
拍攝者： Hopkora