121566 Great Spotted Woodpecker Dendrocopus major L 23-24cm. Commonest pied woodpecker with undulating flight. Sexes are separable. Adult Male is mainly black on back, wings and tail with white ‘shoulder’ patches and narrow white barring; underparts are grubby white. Face and throat are white while cap and nape are black and connect via black line to black stripe from base of bill. Has red nape patch and vent. Adult female is similar but red nape patch is absent. Juvenile recalls adult male but has red crown and subdued red vent colour. Voice Utters a loud tchick alarm call. Males ‘drum’ loudly in spring. Status Widespread, commonest in S and central England and Wales.