Grey-headed woodpecker Grey-headed woodpecker The grey-headed woodpecker ("Picus canus"), also known as the grey-faced woodpecker, is a Eurasian member of the woodpecker family, Picidae. Along with the more commonly found European green woodpecker and the Iberian green woodpecker, it is one of three closely related sister species found in Europe. Its distribution stretches across large parts of the central and Eastern Palaearctic, all the way to the Pacific Ocean. The grey-headed woodpecker is more demanding than the European green woodpecker in terms of its habitat. It prefers old mixed coniferous forest with a high proportion of dead trees, feeding primarily on ants,
How the Snake Lost Its Legs of each animal's structures and organs, ecology and behaviour. The main text is supported by an accurate glossary and thorough index. Glossary terms are printed in boldface in the text, a helpful feature, while the glossary, like the text, is cited to the key research papers on which the book is based. The book thus provides a wide overview of evo-devo, with guidance on how to read more deeply on any chosen aspect. The book was published by Cambridge University Press as a paperback in 2014 (). The main text is 148 pages, with an 8-page glossary of evo-devo, and