1001 Space Earth Nature Evolution Fossils and Prehistoric Life Dinosaurs Simple Animals Insects and Spiders Fish Amphibians Reptiles Birds Sea Mammals Land Mammals Plant Kingdom How Plants Live Unusual Plants Ecology Conservation Animal Behaviour Pets and Farm Animals History Human World Science and Technology

Birds How many types of bird are there? When did the first bird live? How deep can a bird dive? Why do some birds have bright, showy feathers? Why do hummingbirds hum? Which bird sleeps in the air? Why do other birds raise cuckoo chicks? Which birds are used as symbols? Which birds live the longest? Why do some birds fly away in winter? Which is the most numerous bird? How do birds hunt prey? How fast can an ostrich run?   Previous: Back to Birds Book: 1001 Section: Nature Chapter: Birds