Chances are, you can easily recognize the bald eagle (Haliaeetus leucocephalus). After all, how many other birds can you think of that have those iconic brown feathers and white heads? However, when ...

Whale sharks are the largest species of shark. Their gentle manner and massive size make them the gentle giants of the ocean. However, one especially large whale shark has been spotted off the Pacific ...

Since the Middle Ages, the size of wild and domestic animals has largely been shaped by human selection: domestic animals are increasingly larger; wild animals increasingly smaller. During the 7,000 ...