What will you learn? show 1 What is the Nocturnal Cycle? 2 How Are Animals Prone to the Nocturnal Cycle? 3 How Is the Nocturnal Cycle for Birds? 4 What Are the Advantages of the Nocturnal Cycle? 5 How Does the Nocturnal Cycle Affect the Brain? 6 Does the Nocturnal Cycle Have the Same Effects … Continue reading Nocturnal Cycle | Why Are Some Animals Nocturnal?