They are among the largest mammals on earth, but also among the most invisible: humpback whales are an enigma to scientists who can't observe much of their underwater activities. To unlock the secrets of humpback behavior, researchers have turned to sound to hear what they cannot see. Join us on an underwater visit to the whales on their feeding grounds near Sitka, Alaska. The remarkable sounds discovered there are causing scientists to forge new theories about whales and why they sing.
Regular price: $3.95