Smithsonian Q & A: Birds reveals the world of birds in all its beauty and wonder, explaining how they fly, why they sing, where they live, and how their relationship with humans has evolved and continued to change. It is written for every person who has pondered: What is the world's largest bird? When do feathers start to grow? How? Includes birds from all over the world, as well as references to the latest research findings More than 250 full-color photographs and illustrations throughout Ready Reference section with at-a-glance details on record holders and maps of species distribution