What's the difference between a swallow and a swift? How many species of ducks, penguins, owls or thrushes are there? Which is the rarest parrot or the most endangered hummingbird? What do toucans eat? Discover all the key facts about the world's orders and families of birds with this ultimate handbook. Expert ornithologist Jonathan Elphick provides a comprehensive survey of every one of the 36 orders and 234 families of birds, revealing their remarkable diversity, appearance, behaviour and lifestyle. With clear, lively text, informative fact boxes that include the latest research and data, and special photography from award-winning wildlife photographers such as David Tipling, The Handbook of Bird Families belongs on the shelf of everyone interested in birds.