This is a rarity in primate research, and illustrates just how much remains to be known about these fascinating animals ... These threatened nocturnal lemurs live in the dry forests of western ...

There is much more to these cute creatures than just their iconic smiles. Read on to learn about their surprising abilities and how these animals rose to fame. Here are 9 facts about the quokka. 1.

Their eyes are large, helping these nocturnal mammals navigate the dark, and their fur color and markings vary by species. Some flying squirrels have only one mating cycle per year but others ...

In celebration of this beautiful bird, learn some fascinating facts about snowy owls ... don’t have quite as thrilling a hoot as their nocturnal kin. Instead, they make simple, hoarse whoos ...