In a unique new collaboration, Collins have paired up with the respected British Trust for Ornithology, bringing together the most authoritative and up-to-date information in this new field guide to the common birds of Britain and Ireland. This unique new identification guide features all of the birds that have occurred five or more times in Britain and Ireland, including all species that breed regularly in the region, plus those that winter here, or occur as common passage migrants. The book has been written and illustrated as much with the beginner in mind as the experienced birdwatcher....