Big blue

Did you know that a full grown blue whale can gulp over 13,000 gallons of seawater? That a baby blue whale gains up to 8 pounds per hour? That blue whales emit the most powerful sounds of any animal on earth? That a blue whale's heart can weigh as much as a small car? These and many other fascinating bits of information can be found in Dan Bortolotti's wonderful new book Wild Blue: A Natural History of the World's Largest Animal. Check it out!