Every year, an estimated 13 million people go whale-watching around the world, marveling at the sight of the largest animals ever to inhabit Earth. It’s a dramatic reversal from a century ago, when few people ever saw a living whale. The creatures are still recovering from massive industrial-scale hunting that nearly wiped out several species in the 20th century.
Click here for original story, The Soviet Union hunted whales to the brink of extinction, but its scientists secretly tracked its toll
Source: Phys.org