This book is part of a book series called Facts At Your Fingertips .

This book has been graded for interest at 14-17 years.

There are 64 pages in this book. This book was published 2007 by Brown Bear Books .

David Chandler is the RSPB's principal Youth Officer, and produces literature for the RSPB's junior division (Wildlife Explorers). MU is a knowledgeable naturalist and experienced author of children's non-fiction books.