While they are mostly nocturnal ... the Midwest’s wildlife heritage. Once roaming the vast plains of North America in massive ...

There are about 50 species of flying squirrels ranging across most of North America down into Central ... Their eyes are large, helping these nocturnal mammals navigate the dark, and their fur ...

South America, and Asia. Bullfrogs are typically green or gray-brown with brown spots and have easily identifiable circular eardrums, or tympanum, on either side of their heads. Nocturnal ...