Wit Aniwat is a mahout at his family's elephant-riding center near Phuket, Thailand. He describes the elephants' behavior prior to the tsunami.

K. David worked as a wildlife tracker for Sri Lanka's Department of Wildlife for 30 years. He was near Yala National Park when the tsunami hit.

Humans can't hear infrasound, which scientists define as any sound pitched below 20 hertz to as low as 2 hertz. But it turns out that some animals, including elephants, hippos, giraffes, whales, and alligators, have acute infrasound hearing.

Journey with Meg Ryan to the jungles of Thailand in search of the white elephant, a rare creature coveted by royalty -- and threatened by extinction.

For more than 5,000 years, the Asian elephant has been an important part of Asian society, tamed but never domesticated. View photos of Thailand's elephants.

View additional resources, online and in print, for NATURE's "The White Elephants of Thailand with Meg Ryan."

View additional resources, online and in print, for NATURE's "The Urban Elephant."

Unlike their better-known cousins, the African elephants of the open savannahs, forest elephants are adapted to living in dense woodlands.

After her baby is born prematurely, Grace tries to carry the pale elephant to the safety of the shade.

View additional resources online and in print for NATURE's "Unforgettable Elephants."