Dive into the amazing world of the blue whale with Jeff Allen in this fun and educational Betcha Didn’t Know! Discover fascinating facts about the largest and most intelligent non-human creature on Earth, from its massive size and unique diet to its beautiful, haunting songs. Did you know a blue whale’s tongue weighs more than an elephant? Or that they have belly buttons just like us? Uncover these surprising details and more—it’ll be a whale of a time!