This superb collection of photographs brings to life the beauty variety and intricacy of birds' feathers wings skeletons beaks nests and eggs. In addition unique time-lapse sequences show a chick hatching from its egg and how nestlings develop over their first few days of life.Starting with the evolution and anatomy of birds and explaining how their bodies work how they are built specially for flight and how their beaks wings tails feathers and feet are designed for specific purposes the book goes on to cover the food they eat the way they camouflage themselves the nests they build and the eggs they lay.Produced in association with the Natural History Museum London Bird is a unique and compelling introduction to the secret life of birds.