Collins British Bird Identifier: Easily Name All Species Using Only 5 Features With the 5 ID MethodCollins British Bird Identifier is a revolution in bird identification. It brings together exceptional new artwork, with a unique, practical and comprehensive guide to the 5 essential features needed to identify every species of British bird. A new approach to bird identification, detailing five unique features that will definitively identify every species of British bird. The Collins British Bird Identifier is an essential field guide for beginners,