AMAMI, Kagoshima Prefecture—An extremely rare video has emerged of a humpback whale before and after it gave birth to a calf in waters close to Amami-Oshima island. The video, recorded by a ...

Over 12,000 humpback whales migrate every winter from the frigid surroundings of Alaska into the waters of Hawaii. This journey of about 3,000 miles is the longest migration that any mammal ...