Gerard Gorman 
Green Woodpecker [PDF ebook] 
The Natural and Cultural History of Picus viridis

This book describes the natural and cultural history of an iconic and unusual woodpecker – a species that nests in tree cavities but which forages mostly on the ground. The Green Woodpecker, known in folk English as the Yaffle, is afforded comprehensive coverage in this work, with information on its origins, taxonomy, anatomy, appearance, moult, calls, distribution, conservation status, habitats, movements, breeding, diet and relationships with other wildlife and humans all presented.The text is richly illustrated throughout with quality photographs as well as sound spectrograms. Many eye-opening observations of Green Woodpecker behaviour are detailed. This all-encompassing and engaging account has been written for a wide audience, whether professional ornithologist, citizen scientist, amateur birder, woodpecker aficionado or simply someone who wishes to learn more about this curious and remarkable bird.