Another reason giraffes sleep so little is that they are ruminating animals and need to constantly chew their food to break it down. You can’t chew when you are asleep. As diurnal animals ...

Mouse lemurs sleep aloft during the day and forage at night for insects, fruit, flowers, and other plants. These adaptable primates store fat in their tails and hind legs, burning it when forage ...

They cover their long tails with smelly secretions and wave them in the air to determine which animal is more powerful. Ring-tailed lemurs live in groups known as troops. These groups may include ...