Courtesy Clara LearnardNocturnal species, similar to this nighthawk, are Lively during the night and roost throughout the day. These birds will never pay a visit to bird feeders but you may perhaps spot them from your backyard.知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。[three] Thanks to thes