Since the invention of electric light, the difference between day and night is becoming less and less perceptible. This disruption of the Earth’s daily cycle of light and dark rhythm can have catastrophic effects on many life-sustaining behaviors like reproduction, nourishment, and protection from predators. Watch more from Planet Earth II on discoveryplus. Start streaming at our link in bio. #discoveryplus #VOTD #potd #lightpollution #electriclight #timelapse #bbc #planetearth2🌍