So elephants can hear sounds at frequencies that humans can't. This seems like the most obvious explanation of why elephants ran to higher ground before the Tha

So elephants can hear sounds at frequencies that humans can't. This seems like the most obvious explanation of why elephants ran to higher ground before the Thai tsunami. Does anyone have authoritative insight on the topic? http://news.nationalgeographic.com/news/2005/01/0104_050104_tsunami_animals.html http://news.nationalgeographic.com/news/2005/01/0104_050104_...