As part of the unique science Know-It-Alls! Series that features interesting science facts, this audiobook puts the spotlight on Whales! Baby whales, called calves, drink milk from their mother's bodies. Some calves may gain as much as 200 pounds a day! Awesome narration and sound effects, plus many interesting facts, make this audiobook fun and exciting for young science enthusiasts age 4 and up! Titles in the Know-It-Alls! Series include: Butterflies, Crocodiles, Dinosaurs, Farm Animals, Safari Babies, Snakes, Sharks, Spiders, Whales, Wolves, Puppies, Wild Cats, Bugs, Birds of Prey, Fish, Frogs, Apes, Seals, Bats, Bears, Predators, Mummies, Volcanoes, Lizards, Kittens and Horses.