Hammerhead Shark (Sphyrna zygaena)
Brief page of information from the San Diego Natural History Museum.
www.sdnhm.org/kids/sharks/shore-to-sea/hammerhead.html
Do Hammerheads Follow Magnetic Highways in Migration?
Research looking at the curious tendency of hammerheads to school in large groups around underwater mountains.
news.nationalgeographic.com/news/2002/06/0606_020606_shark4.html