Discover Series Books for Babies & Toddlers Quack, quack! Who wants to quack like a duck? Whether you feed the ducks at the park or pond or see them flying overhead your child will be able to identify their feathery friends. Each image is labeled with the duck breed or other water bird and is an excellent way to introduce babies and toddlers to ducks. Used as a jumpstart for interaction, DUCKS is a great way to introduce puppies, their sounds and colors to kids.