Whale's Tail, Frederick Sound, Alaska, 1999
Photograph by Michael Melford
Commercial hunting of humpback whales, like this one flashing its flukes in Alaska's Frederick Sound, reduced their population to just a few thousand worldwide in the 1960s. But an international whaling ban has helped them rebound, and new census numbers show the North Pacific population alone could be more than 10,000 and possibly as many as 25,000.
