Ducks! (New & Updated)By: Gail Gibbons Dive into the world of ducks, in this new and updated edition of a classic from the #1 science writer for kids Gail Gibbons. With their distinctive waddle and quack, quack, ducks are one of the most recognizable birds in the world. But did you know there are 150 types of ducks living on six continents? Discover how ducks swim, dive, feed, communicate, build nests and raise their young, and how conservation groups are trying to protect