Wild Blue

The blue whale is the largest creature that has ever lived-far heavier than even the most burly dinosaur. A big female can outweigh every player in the National Hockey League and Major League Baseball combined. Its mouth can gulp more than 50,000 litres of seawater. A newborn can be seven metres long and gain 18,000 kilograms in four months-about four kilos per hour. But the largest of all animals...