The Secret Language of Whales Revealed
By Abigail W. Leonard
posted: 06 March 2007
Deep below the ocean’s surface, blue whales are singing—and for the first time, scientists think they know why.
* Video: Starving Whales
* Audio: Hear Whales Sing
See also here.
Decline of Antarctic blue whale led to paradoxical fall in krill: here.